[转帖]文件扩展名一览表

2004/11/26镜像同步1 回复

【以下文字转载自 HardWare 讨论区】发信人: littleboy (北邮人), 信区: HardWare 标题: [转帖]文件扩展名一览表发信站: BBS 北邮人论坛站 (Wed Nov 24 23:22:16 2004), 站内 CA Microsoft的代理使用的角色文档 acf 系统管理配置 acm 音频压缩管理驱动程序,为Windows系统提供各种声音格式的编码和解码功能 aif 声音文件，支持压缩，可以使用Windows Media Player和QuickTime Player播放 AIF 音频文件，使用Windows Media Player播放 AIFC 音频文件，使用Windows Media Player播放 AIFF 音频文件，使用Windows Media Player播放 ani 动画光标文件扩展名，例如动画沙漏。 ans ASCII字符图形动画文件 arc 一种较早的压缩文件，可以使用WinZip,WinRAR,PKARC等软件打开 arj 压缩文件。可以使用WinZip,WinRAR,PKARC等软件打开 asf 微软的媒体播放器支持的视频流，可以使用Windows Media Player播放 asp 微软的视频流文件，可以使用Windows Media Player打开 asp 微软提出的Active Server Page,是服务器端脚本，常用于大型网站开发，支持数据库连接，类似PHP。可以使用Visual InterDev编写，是目前的大热门 asx Windows Media 媒体文件的快捷方式 au 是Internet中常用的声音文件格式，多由Sun工作站创建，可使用软件Waveform Hold and Modify 播放。Netscape Navigator中的LiveAudio也可以播放.au文件 avi 一种使用Microsoft RIFF规范的Windows多媒体文件格式，用于存储声音和移动的图片 bak 备份文件，一般是被自动或是通过命令创建的辅助文件，它包含某个文件的最近一个版本，并且具有于该文件相同的文件名 bas Basic 语言源程序文件，可编译成可执行文件,目前使用Basic开发系统的是Visual Basic bat 批处理文件，在MS-DOS中，.bat文件是可执行文件，有一系列命令构成，其中可以包含对其他程序的调用 bbs 电子告示板系统文章信息文件 bfc Windows的公文包文件 bin 二进制文件，其用途依系统或应用而定 bmp Bitmap位图文件，这是微软公司开发Paint的自身格式，可以被多种Windows和Windows NT平台及许多应用程序支持，支持32位颜色，用于为Windows界面创建图标的资源文件格式。 c C 语言源程序文件，在C语言编译程序下编译使用 cab Microsoft制订的压缩包格式，常用于软件的安装程序，使用Windows自带的实用程序，Extract.exe可以对其解压缩，WinZip,WinRAR等都支持这种格式 cal Windows 中的日历文件 cdf Internet Explorer的频道文件 cdr CorelDraw中的一种图形文件格式，它是所有CorelDraw应用程序中均能够使用的一种图形图像文件格式 cdx 索引文件，存在于Dbase,Foxbase,Foxpro系统软件环境下 cfg 配置文件，系统或应用软件用于进行配置自己功能，特性的文件 chm 编译过后的HTML文件，常用于制作帮助文件和电子文档 clp 在Windows下剪贴板中的文件格式 cmd 用于Windows NT/2000的批处理文件，其实与BAT文件功能相同，只是为了与DOS/Windows 9x下的BAT有所区别 cmf 声卡标准的音乐文件，FM合成器等可以回放 cnf NetMeetting会议连接文件 cnt 联机帮助文件目录索引文件，通常和同名的.hlp文件一起保存 col 由Autodesk Animator,Autodesk Animator Por等程序创建的一种调色板文件格式，其中存储的是调色板中各种项目的RGB值 com DOS可执行命令文件，一般小于64KB cpl 控制面板扩展文件，Windows操作系统使用 cpp C++语言源程序，非常强大的语言，在各种平台中都有相应的开发系统 crd Windows中的卡片文件 crt 用于安全方面的证书认证文件 cur Windows下的光标资源文件格式，可用光标编辑软件编辑 css Text/css文件 dat 数据文件，在应用程序中使用 dat VCD中的图象声音文件，VCD播放软件可调用，或是通过VCD机播放 dbf 数据库文件，Foxbase,Dbase,Visual FoxPro,等数据库处理系统所产生的数据库文件 dcx 传真浏览文档文件 ddi 映象文件，DUP,HD,IMG等工具可展开 dev 设备驱动程序 dib 设备无关位图文件，这是一种文件格式，其目的是为了保证用某个应用程序创建的位图图形可以被其它应用程序装载或显示一样 dir 目录文件 dll Windows动态连接库，几乎无处不在，但有时由于不同版本DLL冲突会造成败各种各样的问踢 doc 是目前市场占有率最高的办公室软件Microsoft Office中的字处理软件Word创建的文档 dos Windows保留的MS-DOS的某些系统文件 dot Microsoft Word的文档模板文件，通过模板可以简化一些常用格式文档的创建工作,而且可以内嵌VBA程序来实现某些自动化功能 drv 设备驱动程序文件，用在各种系统中 dwg AutoCAD的图纸文件，也是许多绘图软件都支持的格式，常用于共享数据 dxb AutoCAD创建的一中图形文件格式 dxf 图形交换格式，一种计算机辅助设计的文件格式，最初开发用来与AutoCAD一起使用，以便于图形文件在应用程序之间的传递,它以ASCII方式储存图形，在表现图形的大小方面十分精确 der Certiticate文件 dic Txt文件 emf 由Microsoft公司开发的Windows 32位扩展图元文件格式，其总体设计目标是要彌补在Microsoft Windows 3.1(Win16)中用的*.wmf文件格式的不足,使得图元文件更加易于使用 eps 用PostScript语言描述的一种图形文件格式，以文本文件保存，在PostScript图形打印机上能打印出高品质的图形图象，最高能表示32位图形图象 err 编译错误文件，存在于Dbase,Foxbase,Foxpro系列软件环境下 exe 可执行文件，虽然后缀名相同，但具有不同的格式和版本 exp 3DS使用的显示卡驱动程序 exc Txt文件 flc Autodesk Animator和Animatorpro的动画文件，支持256色，最大的图象象索是64000*64000,支持压缩，广泛用于动画图形中的动画序列，计算机辅助设计和计算机游戏应用程序 fnd 保存的搜索结果 fon 点阵字库文件 for Fortran语言程序 fot 指向字体的快捷键 fp 配置文件，存在于Dbase,Foxbase,Foxpro系列软件的环境下 fpt 备注字段文件，存在于Dbase,Foxbase,Foxpro系列软件的环境下 frt 报表文件,存在于Dbase,Foxbase,Foxpro系列软件的环境下 frx 报表文件,存在于Dbase,Foxbase,Foxpro系列软件的环境下 fxp 编译后的程序，存在于Dbase,Foxbase,Foxpro系列软件的环境下 gif 在各种平台的各种图形处理软件上均能够处理的，经过压缩的一种图形文件格式 grh 方正公司的图象排版文件 grp Windows下的程序管理器产生的组窗口文件 goc Gocserve gra MSGraph.Chart.5 h C语言源程序头文件 hlp Windows应用程序帮助文件 hqx Macintosh中使用BinHex将二进制文件编码为7位的文本文件，大多数Macintosh文件皆以.hqx出现(.bin极少使用)，在Macintosh中,可使用StuffIt Expander对.hqx解码，在Windows中可使用BinHex 13解码 ht 超级终端 htm 保存超文本描述语言的文本文件，用于描述各种各样的网页，使用各种浏览器打开 html 同.htm文件 icm 图象配色描述文件 ico Windows中的图标文件，可以包含同一个图标的多种格式，使用图标编辑软件创建 idf MIDI乐器定义 idx 索引文件，存在于Dbase,Foxbase,Foxpro系列软件的环境下 iff 文件交换格式文件，这种文件格式多用于Amiga平台,在这种平台上它几乎可以存储各种类型的数据，在其它平台上，IFF文件格式多用于存储图象和声音文件 image MAcintosh磁盘映象文件，常见于萍果机的FTP网点，在Macintosh中由Shrink Wrap处理 ime Windows下的输入法文件 img 磁盘映象文件，用HD-COPY,WinImage等工具打开后可以恢复到一张磁盘上 inc 汇编语言包含文件，类似C/C++中的.H文件 inf Windows下的软件安装信息，Windows的标准安装程序根据此文件内的安装信息对软件，驱动程序等进行安装 ini Windows中的初始化信息文件,已经用的不多了，新的应用程序将设置保存在系统的注册表中 jar 一种压缩文件，ARJ的新版本，不过不太流行，可以使用WinJar,Winrar等打开 jpeg 一种图片压缩文件,同.jpg jpg 静态图象专家组制订的静态图象压缩标准，具有很高的压缩比，使用非常广泛，可使用PhotoShop等图象处理软件创建 lnk 快捷方式，这个文件指向另一个文件，开始菜单的程序文件夹下每条项目都是一个LNK文件 log 日志文件,通常用来记录一些事件之类 lzh 一种古老的压缩文件，可以使用WinRAR打开 mac Macintosh中使用的一中灰度图形文件格式，在Macintosh Paintbrush中使用，其分辨率只能是720*567 mag 图形文件格式 mdb Microsoft Access使用的数据库格式，是非常流行的桌面数据库 men 内存应用文件,存在于Dbase,Foxbase,Foxpro系列软件的环境下 mid 音频压缩文件，曾经非常流行，不过在现在的软件中用的很少了 mif MIDI乐器 mov 使用Apple's QuickTime格式的电影文件，在Macintosh中由Sparkle,FastPlayer,MoviePlayer等软件播放，在Windows中可由Quicktime播放 movie QuickTime或苹果机的影视格式，在Macintosh中由Sparkle,FastPlayer,MoviePlayer等软件播放,在Windows中可由QuickTime播放 mp3 采用MPEG-1 Layout 3标准压缩的音频文件，是网上主要的压缩音频文件，这种文件由于具有极高的压缩率和失真低的特点，是目前音乐盗版的主要文件格式，但目前受到VQF,WMA等新标准的挑战 mpg 采用MPEG-1标准压缩的视频文件，与VCD使用的格式非常相近，提供CD质量的音频信号和320*240的视频分辩率，目前的媒体播放软件大都能播放,Microsoft的WMV8和MPEG-4压缩的AVI文件是其强大的竞争对手 mpt Macintosh中使用的一种图形文件格式 msg Microsoft邮件文档 obj 对象代码 ovl 由于软件功能多，内存偏小，不能一次性全部调入内存的可执行文件可能有同文件名的ovl文件 pcd 位图文件，由Eastman Kodak开发，被所有的平台所支持，PCD支持24位颜色，最大的图象像索是2048*3072，用于在CD-ROM上保存图片 pcs 动画文件，是Macromedia开发的动画文件格式，为Macintosh应用程序使用,支持压缩，支持256色，用于保存动画数据，是Quick Time的前身 pcx 图像文件，PCX格式是ZSOFT公司在开发图像处理软件Paintbrush是开发的一种格式，这是一种经过压缩的格式，占用磁盘空间较少 pdf 图文多媒体文件，Adobe公司定义的电子印刷品文件格式，它是一种事实上的标准，在Internet网上的很多电子印刷品，都是.pdf格式的 psd 是PhotoShop中使用的一种标准图形文件格式，能够保存图像数据的每一个细小部分，包括层，附加的蒙版通道以及其他内容 pwl Windows下的口令文件 qt Machintosh 的QuickTime影视格式，在Macintosh中由Sparkle,FastPlayer,MoviePlayer等软件播放，在Windows中可由Quicktime播放 qtm 动画文件，这种文件格式是由Apple计算机公司开发，被Apple Macintosh和Microsoft Windows平台所支持，支持25位颜色，最大图像分辩率是64000*64000,支持压缩，用于保存音频和运动视频信息 rec Windows下的记录器宏文件 reg Windows 95/98的系统及应用程序注册文件，这种文件虽然以纯文本文件保存，但一样存在版本问题，不同的操作系统使用的REG文件版本是不同的 rle 一种压缩过的位图文件格式，RLE压缩方案是一种极其成熟的压缩方案，特点是无损失压缩，既节省了磁盘空间又不损失任何图像数据，但在打开这种压缩文件时，要花费更多时间，此外，一些兼容性不太好的应用程序可能会搭不开 rm Windows下的RealPlayer所支持的视频压缩文件，网上非常流行的流式视频文件，很多实时视频新闻等都是采用这种格式的，不过，最新的Windows Media Video V8已经对其发起了强大的攻势 rmi MIDI音序文件 rtf 丰富文本格式文件，以纯文本描述内容，能够保存各种格式信息，可以用写字版，Word等创建 sav 存档文件 scp 用于Windows系统中Internet拨号用户，自动拨号登录用的脚本文件，可避免手动登录时繁琐的键盘输入 scr 屏障保护文件 sct 屏幕文件 scx 屏幕文件 set Microsoft备份集文件，用于保存要备份的内容，设置等信息 shb 指向一个文档的快捷方式 snd Mac声音文件,Apple计算机公司开发的声音文件格式，被Macintosh平台和多种Macintosh应用程序所支持，支持某些压缩 sql 查询文件，在Dbase,Foxbase,Foxpro系列软件的环境下使用 svg SVG可以算是目前最火热的图像文件格式了，它是基于XML由WorldWideWebConsortium联盟开发的，SVG是可缩放的矢量图形 svx Amiga声音文件，Commodore所开发的声音文件格式，被Amiga平台和应用程序所支持，不支持压缩 swf flash是Micromedia公司的产品，严格说它是一种动画编辑软件，实际上它是制作出一种后缀名为.swf的动画，这种格式的动画能用比较小的体积来表现丰富的多媒体形式，并且还可以与HTML文件达到一种"水乳交融"的境界 swg 虚拟内存交换文件，由操作系统使用 sys 系统文件，驱动程序等，在不同的操作系统中有不同的定义 tbk 临时数据库文件，在Dbase,Foxbase,Foxpro系列软件的环境下使用 tga 图像文件，此文件格式的结构比较简单，属于一种图形，图像数据的通用格式，在多媒体领域有着很大影响，是计算机生成图像向电视转换的一种首选格式 tiff 图像文件，此图像格式复杂，存储内容多，占用存储空间大，其大小是GIF图像的3倍，是相应的JPEG图像的10倍，最早流行于Macintosh,现在Windows主流的图像应用程序都支持此格式 tmp 临时文件，一般是系统和应用程序产生的临时使用的文件，当系统和应用程序退出时，会自动地删除其建立的临时文件，如果是非正常退出，临时文件可能保留在磁盘上，在单任务系统下，可立即删除它们，在多任务系统下，应删除那些不是正在使用的临时文件 txt 文本文件 url InternetShortcut(internet 上URL地址的快捷方式) vcd 虚拟光驱工具制作的光盘镜像文件 ver 版本描述，用于描述某个软件的版本信息的文件，内容因软件而异 voc 声音文件，此文件格式由Creative Labs公司开发，被Windows和DOS平台所支持，支持压缩 vxd 虚拟设备驱动程序，在Windows操作系统中非常常见，是重要的系统文件 wab 通信簿文件，由系统中的通信簿程序使用 wav 音频文件，此文件格式是在Windows上用于保存音频信息的资源格式，Windows中由Waveform Hold and Modify或Navigator，或"媒体播放机"播放，存在许多编码方式，需要相应的解码程序才能播放 win 窗口文件，在Dbase,Foxbase,Foxpro系列软件的环境下使用 wmf Microsoft Windows中常见的一种图元文件格式，它具有文件短小，图案造型化的特点，整个图形常由各个独立的组成部分拼接而成，但其图形往往较粗糙，并且只能在Microsoft Office中调用编辑 wpc 写字板文档转换 wps Wps文本文件，有多种版本，可以使用Wps Office,Wps 2000等打开 wri Windows写字板文档 xab Microsoft邮件地址簿 xbm Animator Pro创建的一种图形文件格式，其中包含用来描述多边形的一系列点的信息 zip 是DOS/Windows中最常见文件压缩格式，也是互联网上的标准压缩格式，可以包含路径和多个文件二、详细的文件后缀名 ----- A ------- A 对象代码库文件 AAM Authorware shocked文件 AAS Authorware shocked包 ABF Adobe二进制屏幕字体 ABK CorelDRAW自动备份文件 ABS 该类文件有时用于指示一个摘要（就像在一篇有关科学方面的文章的一个摘要或概要，取自abstract） ACE Ace压缩档案格式 ACL CorelDRAW 6键盘快捷键文件 ACM Windows系统目录文件 ACP Microsoft office助手预览文件 ACR 美国放射医学大学文件格式 ACT Microsoft office助手文件 ACV OS/2的驱动程序，用于压缩或解压缩音频数据 AD After Dark屏幕保护程序 ADA Ada源文件（非-GNAT） ADB Ada源文件主体（GNAT）；HP100LX组织者的约定数据库 ADD OS/2用于引导过程的适配器驱动程序 ADF Amiga磁盘文件 ADI AutoCAD设备无关二进制绘图仪格式 ADM After Dark多模块屏幕保护；Windows NT策略模板 ADP FaxWork用于传真调制解调器的交互安装文件；Astound Dynamite文件 ADR After Dark随机屏幕保护；Smart Address的地址簿 ADS Ada源文件说明书（GNAT） AFM Adobe的字体尺度 AF2，AF3 ABC的FlowChat文件 AI Adobe Illustrator格式图形 AIF，AIFF 音频互交换文件，Silicon Graphic and Macintosh应用程序的声音格式 AIFC 压缩AIF AIM AOL即时信息传送 AIS ACDSee图形序列文件；Velvet Studio设备文件 AKW RoboHELP的帮助工程中所有A-关键词 ALAW 欧洲电话音频格式 ALB JASC Image Commander相册 ALL 艺术与书信库 AMS Velvet Studio音乐模块（MOD）文件；Extreme的Tracker模块文件 ANC Canon Computer的调色板文件，包含一系列可选的颜色板 ANI Windows系统中的动画光标 ANS ANSI文本文件 ANT SimAnt For Windows中保存的游戏文件 API Adobe Acrobat使用的应用程序设计接口文件 APR Lotus Approach 97文件 APS Microsoft Visual C++文件 ARC LH ARC的压缩档案文件 ARI Aristotle声音文件 ARJ Robert Jung ARJ压缩包文件 ART Xara Studio绘画文件；Canon Crayola美术文件；Clip Art文件格式；另一种光线跟踪格式；AOL使用的用Johnson—Grace压缩算法压缩的标记文件 ASA Microsoft Visual InterDev文件 ASC ASCⅡ文本文件；PGP算法加密文件 ASD Microsoft Word的自动保存文件；Microsoft高级流媒体格式（microsoft advanced streaming FORMat，ASF）的描述文件；可用NSREX打开 Velvet Studio例子文件 ASE Velvet Studio采样文件 ASF Microsoft高级流媒体格式文件 ASM 汇编语言源文件，Pro/E装配文件 ASO Astound Dynamite对象文件 ASP 动态网页文件；ProComm Plus安装与连接脚本文件；Astound介绍文件 AST Astound多媒体文件；ClarisWorks“助手”文件 ASV DataCAD自动保存文件 ASX Cheyenne备份脚本文件；Microsoft高级流媒体重定向器文件，视频文件 ATT AT< Group 4位图文件 ATW 来自个人软件的Any Time Deluxe For Windows个人信息管理员文件 AU Sun/NeXT/DEC/UNIX声音文件；音频U-Law（读作“mu-law”）文件格式 AVB Computer Associates Inoculan反病毒软件的病毒感染后文件 AVI Microsoft Audio Video Interleave电影格式 AVR Audio Visual Research文件格式 AVS 应用程序可视化格式 AWD FaxVien文档 AWR Telsis数字储存音频文件扩展名格式 Axx ARJ压缩文件的分包序号文件，用于将一个大文件压至几个小的压缩包中（xx取01-99的数字） A3L Authorware 3.x库文件 A4L Authorware 4.x库文件 A5L Authorware 5.x库文件 A3M，A4M Authorware Macintosh未打包文件 A4P Authorware无运行时间的打包文件 A3W，A4W，A5W 未打包的Authorware Windows文件 ----- B ------- BAK 备份文件 BAS BASIC源文件 BAT 批处理文件 BDF West Point Bridger Designer文件 BFC Windows 95 Briefcase文档 BG Backgammon For Windows下的游戏文件 BGL Microsoft Flight Simulator（微软飞行模拟器）的视景文件 BI 二进制文件 BIF Group Wise的初始化文件 BIFF XLIFE 3D格式文件 BIN 二进制文件 BK，BK$ 有时用于代表备份版本 BKS IBM BookManager Read书架文件 BMK 书签文件 BMP Windows或OS/2位图文件 BMI Apogee BioMenace数据文件 BOOK Adobe FrameMaker Book文件 BOX Lotus Notes的邮箱文件 BPL Borlard Delph 4打包库 BQY BrioQuery文件 BRX 用于查看多媒体对象目录的文件 BSC MS Developer Studio浏览器信息文件 BSP Quake图形文件 BS1 Apogee Blake Stone数据文件 BS_ Microsoft Bookshelf Find菜单外壳扩展名 BTM Norton 应用程序使用的批处理文件 BUD Quicken的备份磁盘 BUN CakeWalk 声音捆绑文件(一种MIDI程序) BW SGI黑白图像文件 BWV 商业波形文件 BYU BYU的电影文件格式 B4 Helix Nuts and Bolts文件 ----- C ------- C C代码文件 C0l 台风波形文件 CAB Microsoft压缩档案文件 CAD Softdek的Drafix CAD文件 CAL CALS压缩位图；日历计划表数据 CAM Casio照相机格式 CAP 压缩音乐文件格式 CAS 逗号分开的ASCⅡ文件 CAT Quicken使用的IntellCharge分类文件 CB Microsoft干净引导文件 CBI 二进制卷格式文件(用于IBM大型机系统) CC Visual dBASE用户自定义类文件 CCA cc：邮件文件 CCB Visual Basic动态按钮配置文件 CCF 多媒体查看器配置文件，用于OS/2 CCH Corel图表文件 CCM Lotus cc：邮箱（例如“INBOX.CCM”） CCO CyberChat数据文件 CCT Macromedia Director Shockwave投影 CDA CD音频轨道 CDF Microsoft频道定义格式文件 CDI Philip的高密盘交互格式 CDM Visual dBASE自定义数据模块文件 CDR CorelDRAW绘图文件；原始音频CD数据文件 CDT CorelDRAW模板 CDX CorelDRAW压缩绘图文件；Microsoft Visual FoxPro索引文件 CEL CIMFast事件语言文件 CER 证书文件（MIME x-x509-ca-cert） CFB Compton的多媒文件 CFG 配置文件 CFM CotdFusion模板文件；Visual dBASE Windows用户定制表单 CGI 公共网关接口脚本文件 CGM 计算机图形元文件 CH OS/2配置文件 CHK 由Windows磁盘碎片整理器或磁盘扫描保存的文件碎片 CHM 编译过的HTML文件 CHR 字符集（字体文件） CHP Ventura Publisher章节文件 CHT ChartViem文件；Harvard Graphics矢量文件 CIF Adaptec CD 创建器 CD映像文件 CIL Clip Gallery下载包 CIM SimCity 2000文件 CIN OS/2改变控制文件用于跟踪INI文件中的变化 CK1 iD/Apogee Commander Keen 1数据文件 CK2 iD/Apogee Commander Keen 2数据文件 CK3 iD/Apogee Commander Keen 3数据文件 CK4 iD /Apogee Commander Keen 4数据文件 CK5 iD /Apogee Commander Keen 5数据文件 CK6 iD /Apogee Commander Keen 6数据文件 CLASS Java类文件 CLL Crick Software Clicker文件 CLP Windows 剪贴板文件 CLS Visual Basic类文件 CMD Windows NT，OS/2的命令文件；DOS CD/M命令文件；dBASEⅡ程序文件 CMF Corel元文件 CMG Chessmaster保存的游戏文件 CMP JPEG位图文件；地址文档 CMV Corel Move动画文件 CMX Corel Presentation Exchange图像 CNF Telnet，Windows和其他其内格式会发生改变的应用程序使用的配置文件 CNM Windows应用程序菜单选项和安装文件 CNQ Compuworks Design Shop文件 CNT Windows（或其他）系统用于帮助索引或其他目的内容文件 COB TrueSpace 2对象文件 COD Microsoft C编译器产生的可显示机器码/汇编代码文件，其中附有源C代码作为注释 COM 命令文件（程序） CPD Corel Print Office文件（图形） CPD，CPE 传真覆盖文档 CPI Microsoft MS-DOS代码页信息文件 CPL 控制面板扩展名，Corel颜色板 CPO Corel打印存储文件 CPP C++代码文件 CPR Corel提供说明书文件 CPT Corel 照片-绘画图像 CPX Corel Presentation Exchange压缩图形文件 CRD Windows Cardfile文件 CRP Corel 提供的运行时介绍文件；Visual dBASE自定义报表文件 CRT 认证文件 CSC Corel脚本文件 CSP PC Emcee On_Screen图像 CSS 瀑布式表格文件 CST Macromedia Director Cast文件 CSV 逗号分隔的值文件 CT Scitex CT位图文件；Paint Shop Pro Grapic编辑器文件 CTL 通常用于表示一个包含控件信息的文件；FaxWork用它来保持有关每个传真收到或发出的信息 CUE Microsoft提示牌数据文件 CUR Windows光标文件 CUT Dr Halo位图文件 CV Corel版本的档案文件；Microsoft CodeView信息屏幕文件 CWK ClarisWorks数据文件. CWS ClarisWorks模块 CXT Macromedia Director受保护的（不可编辑的）投影文件 CXX C++源代码文件 ----- D ------- DAT 数据文件；WrodPerfect合并数据文件；用于一些MPEG格式的文件 DB Borland的Paradox 7表 DBC Microsoft Visual FoxPro数据库容器文件 DBF dBASE文件，一种由Ashton-Tate创建的格式，可以被ACT！、Lipper、FoxPro、Arago、Wordtech、Xbase和类似数据库或与数据库有关产品识别；可用数据文件（能被Excel 97打开）；Oracle 8.1.x表格空间文件 DBX DataBearn图像；Microsoft Visual FoxPro表格文件 DCM DCM模块格式文件 DCR 冲击波文件 DCS 桌面颜色分隔文件 DCT Microsoft Visual FoxPro数据库容器 DCU Delphi编译单元文件 DCX Microsoft Visual FoxPro数据库容器；基于PCX的传真图像；宏 DC5 DataCAD绘图文件 DDF Btrieve或Xtrieve数据定义文件，它包含用于描述Btrieve或Xtrieve文件的元数据 DDIF Digital Equipment或 Compaq格式，用于保存他们图像与字处理文档 DEF SmartWareⅡ数据文件；C++模块定义文件 DEFI Oracle 7 卸载脚本文件 DEM 用于表示数字高度模型的USGS基准的文件 DER 认证文件 DEWF Macintosh Sound Cap/Sound Edit录音设备格式 DGN Macintosh 95 CAD绘图文件 DIB 设备无关位图 DIC 目录 DIF 可进行数据互换的电子表格 DIG DigiLink格式；Sound DesignerⅠ音频文件 DIR MacromediaDirector文件 DIZ 描述文件 DLG C++对话框脚本文件 DLL 动态链接库 DLS 可下载声音文件 DMD Visual dBASE数据模块文件 DMF X-Trakker音乐模块（MOD）文件 DOC FrameMaker或FrameBuilder文档；Word Star文档、Word Perfect文档、Microsoft Word文档；DisplayWrite文档 DOT Microsoft Word文档模板 DPL Borland Delph3压缩库 DPR Borland Delphi工程头文件 DRAW Acorn的基于对象的矢量图像文件 DRV 驱动程序 DRW Micrografx Designer/Draw；Pro/E绘画文件 DSF Micrografx Designer VFX文件 DSG DOOM保存的文件 DSM Dynamic Studio音乐模块（MOD）文件 DSP Microsoft Developer Studio工程文件 DSQ Corel QUERY（查询）文件 DST 刺绣机图形文件 DSW Microsoft Developer Studio工作区文件 DTA Word Bank（世界银行）的STARS数据文件 DTD SGML文档类型定义（DTD）文件 DTED 地面高度数字数据（图形的数据格式）文件 DTF Symantec Q&A相关的数据库数据文件 DTM DigiTrakker模块文件 DUN Microsoft拔号网络导出文件 DV 数字视频文件（MIME） DWD DiamondWare数字化文件 DWG AutoCAD工程图文件；AutoCAD或Generic CADD老版本的绘图格式 DXF 可进行互交换的绘图文件格式，二进制的DWG格式的文本表示；数据交换文件 DXR Macromedia Director受保护（不可编辑）电影文件 D64 Commodore的64位模拟磁盘图像文件 ----- E ------- EDA Ensoniq ASR磁盘映像 EDD 元素定义文档（FrameMaker+SGML文档） EDE Ensoniq EPS磁盘映像 EDK Ensoniq KT磁盘映像 EDQ Ensoniq SQ1/SQ2/Ks32磁盘映像 EDS Ensoniq SQ80磁盘映像 EDV Ensoniq VFX-SD磁盘映像 EFA Ensoniq ASR文件 EFE Ensoniq EPS文件 EFK Ensoniq KT文件 EFQ Ensoniq SQ1/SQ2/Ks32文件 EFS Ensoniq SQ80文件 EFV Ensoniq VFX-SD文件 EMD ABT扩展模块 EMF Windows增强元文件 EML Microsoft Outlook Express邮件消息（MIME RTC822）文件 ENC 重演文件 ENFF 中性文件格式扩展名 EPHTML Perl解释增强HTML文件 EPS 压缩的PostScript图像 EPSF 压缩的PostScript文件 ERI ERWin文件 ERR 当RobooHELP帮助编译器企图编译一个帮助系统源文件时用来存储错误消息的文件 EPX ERWin文件 ESPS ESPS音频文件 EUI Ensoniq ESP家族的压缩磁盘映像 EVY 特使文档 EWL Microsoft Encarta文档 EXC Microsoft Word禁止字字典 EXE 可执行文件（程序） ----- F ------- F FORTRAN文件 F2R Farandoyle线性模块格式 F3R Farandoyle分块线性模块格式 F77 FORTRAN文件 F90 FORTRAN文件 FAR Fradole Composer音乐模块（MOD）文件 FAV Microsoft Outlook导航条 FAX 传真类型图像 FBK Navison 金融备份 FCD 虚拟CD-ROM FDB Navison 金融数据库 FDF Adobe Acrobat表单文档文件 FEM CADRE有限元素网络文件 FFA，FFL，FFO，FFK Microsoft快速查找文件 FFF GUS PnP银行文件格式 FFT 最终格式文本（IBM的DCA一部分） FH3 Aldus Freehand 3绘图文件 FIF Fractal图像文件 FIG REND386/AVRIL使用的文件格式 FITS CCD照相机图像；灵活图像传输系统 FLA Macromedia Flash电影 FLC Autodesk FLIC动画文件 FLF Corel Paradox产生的格式：Navison Financials许可文件；OS/2驱动程序文件 FLI Autodesk FLIC动画 FLT StarTrekker音乐模块(MOD)文件；MultiGen Inc的Open Flight使用的文件格式；Corel过滤器文件 FM Adobe FrameMaker文档 FMB Oracle4.0版或以后版本表单的二进制源代码文件 FML 文件镜象列表（GetRight） FMT Oracle 4.0版或以后版本表单的文本格式；Microsoft Schedule+ 打印文件 FMX Oracle 4.0版或以后版本可执行表单 FND Microsoft Explorer保存的搜索文件（Find applet） FNG 字体组文件（字体导航器，Font Navigator） FNK Funk Tracker模块格式 FOG Fontographer模块字体 FON 系统字体 FOR FORTRAN文件 FOT 字体相关文件 FP FileMaker Pro文件 FP1 Flying Pigs for Windows数据文件 FP3 FileMaker Pro文件 FPT FileMaker Pro文件；Microsoft Fox Pro备注字体文件 FPX FlashPix位图 FRM 表单；Frame Maker或Frame Builder文档；Oracle可执行表(3.0版或早期版本)；Visual Basic表单；WordPerfect Merge表单；DataCAD标志报表文件 FRT Microsoft FoxPro报表文件 FRX Visual Basic表单文本；Microsoft FoxPro报表文件 FSF fPrint Audit Tool文件格式 FSL Borland的Paradox 7表单；Corel Paradox保存的表单 FSM Parandoyle示例格式 FT Lotus Notes全文本索引 FTG 全文本搜索组文件，由Windows帮助系统查找时产生——可以删除，并在需要时重建起来 FTS 全文本搜索引文件，由Windows帮助系统查找时产生 FW2 Framework Ⅱ文件 FW3 Framework Ⅲ文件 FW4 Framework Ⅳ文件 FXP 经Microsoft FoxPro编译的源文件 FZB Casio FZ-1银行转储 FZF Casio FZ-1完全转储 FZV Casio FZ-1声音转储 ----- G ------- G721 Raw CCITT G.721 $bit ADPCM格式数据 G723 Raw CCITT G.723 3或5bit ADPCM格式数据 GAL Corel多媒体管理器相集 GCD Generic CADD绘画文件（后续版本） GCP Ground Control Point（地面控制点）文件，用于远景数据形成图像过程，经常用于生成图工程—CHIPS（copenhagen image processing system）使用这些文件 GDB InterBase数据库文件 GDM 铃声、口哨声和声音板模块格式 GED GEDCOM 系谱数据文件，用于记录和交换系谱数据的流行格式；图形环境文档绘画 GEM GEM元文件 GEN Ventura产生的文本文件 GetRight GetRight未完成的下载文件 GFC Patton&Patton FlowCharting 4 flowchart文件 GFI，GFX Genigraphics图形链接表示文件 GHO Norton 克隆磁盘映像 GID Windows 95全局索引文件（包括帮助状态） GIF CompuServe位图文件 GIM，GIX Genigraphics图形链接介绍文件 GKH Ensoniq EPS家簇磁盘映像文件 GKS Gravis Grip Key文档 GL 动画格式 GNA Genigraphics图形链接介绍文件 GNT 生成代码，Micro Focus属性格式里的可执行代码 GNX Genigraphics图形链接介绍文件 GRA Microsoft Graph文件 GRD 用于远程视景数据产生地图过程的格式文件，通常应用于形成地图工程—CHIPS（copenhagen image processing system）使用这些文件 GRF Grapher（Golden Software公司）图形文件 GRP 程序管理组 GSM Raw GSM 6.10音频流；Raw“byte aligned（比特对齐的）” GSM 6.10音频流；US Robotics语音调制解调器 GTK Graoumftracker（老）音乐模块（MOD）文件 GT2 Graoumftracker（新）音乐模块（MOD）文件 GWX，GWZ Cenigraphis图形链接介绍文件 GZ UNIX gzip压缩文件 ----- H ------- H C程序头文件 HCM IBM HCM配置文件 HCOM 声音工具HCOM格式 HCR IBM HCD/HCM产品配置文件 HDF 高级计算机应用程序本地中心（NCSA） geospatial Hierarchial数据格式文件 HED HighEdit文档 HEL Microsoft Hellbender格式保存的游戏文件 HEX Macintosh BinHex2.0文件 HGL HP图形语言绘图文件 HH 映射文件，包括一些话题ID和在帮助文件系统中话题的映射数字—允许运行中应用程序发送给用户合适的上下文帮助话题 HLP 帮助文件；Date CAD Windows帮助文件 HOG Lucas Arts的Dark Forces WAD文件 HPJ Visual Basic帮助工程 HPP C++程序头文件 HQX Macintosh BinHex 4.0文件 HST 历史文件 HT HyperTerminal（超级终端） HTM，HTML 超文本文档 HTT Microsoft超文本模板 HTX 扩展HTML模板 HXM Descent2 HAM文件扩展 ----- I ------- ICA Citrix文件 ICB Targa位图文件 ICC Kodak打印机格式文件 ICL 图标库文件 ICM 图形颜色匹配配置文件 ICO Windows图标 IDB MSDev中间层文件 IDD MIDI设备定义 IDF MIDI设备定义（Windows 95需要的文件） IDQ Internet数据查询文件 IDX Microsoft FoxPro相关数据库索引文件；Symantec Q&A相关数据库索引文件；Microsoft Outlook Express文件 IFF 交换格式文件；Amiga ILBM IGES 初始图形交换说明文件 IGF 插入系统元文件 IIF QuickBooks for Windows交换文件 ILBM 位图图形文件 IMA WinImage磁盘映像文件 IMG GEM映像 IMZ WinImage压缩磁盘映像文件 INC 汇编语言或动态服务器包含文件 INF 信息文件 INI 初始化文件；MWave DSP Synth的“nwsynth.ini” GMS安装；Cravis Ultrasound bank安装 INP Oracle 3.0版或早期版本的表单源代码 INRS INRS远程通信声频 INS InstallShield安装脚本；X-Internet签字文件；Ensoniq EPS字簇设备；Cell/ⅡMAC/PC抽样设备 INT 中间代码，当一个源程序经过语法检查后编译产生一个可执行代码 IOF Findit文档 IQY Microsoft Internet查询文件 ISO 根据ISD 9660有关CD-ROM文件系统标准列出CD-ROM上的文件 ISP X-Internet签字文件 IST 数字跟踪设备文件 ISU InstallShield卸装脚本 IT 脉冲跟踪系统音乐模块(MOD)文件 ITI 脉冲跟踪系统设备 ITS 脉冲跟踪系统抽样，Internet文档位置 IV Open Inventor中使用的文件格式 IVD 超过20/20微观数据维数或变量等级文件 IVP 超过20/20的用户子集配置文件 IVT 超过20/20表或集合数据文件 IVX 超过20/20微数据目录文件 IW Idlewild屏幕保护程序 IWC Install Watch文档 ----- J ------- J62 Ricoh照相机格式 JAR Java档案文件（一种用于applet和相关文件的压缩文件） JAVA Java源文件 JBF Paint Shop Pro图像浏览文件 JFF，JFIF，JIF JPEG文件 JMP SAS的JMPDiscovery表格统计文件 JN1 Epic MegaGames的Jill of the Jungle数据文件 JPE，JPEG，JPG JPEG图形文件 JS javascript源文件 JSP HTML网页，其中包含有对一个Java servlet的参考 JTF JPEG位图文件 ----- K ------- K25 Kurzweil 2500抽样文件 KAR 卡拉OK MIDI文件（文本+MIDI） KDC Kodak光增强器 KEY DataCAD图标工具条文件 KFX KoFak Group 4图像文件 KIZ Kodak数字明信片文件 KKW RoboHELP帮助工程索引设计器中与主题无关的K开头的所有关键字 KMP Korg Trinity KeyMap文件 KQP Konica照相机本地文件 KR1 Kurzweil 2000抽样（多软驱）文件 KRZ Kurzweil 2000抽样文件 KSF Korg Trinity抽样文件 KYE Kye游戏数据 ----- L ------- LAB Visual dBASE标签文件 LBM Deluxe Paint位图文件 LBT，LBX Microsoft FoxPro标签文件 LDB Microsoft Access加锁文件 LDL Corel Paradox分发库 LEG Legacy文档 LES Logitech娱乐系统游戏配置文件（与REC文件一样） LFT 3D Studio（DOS）放样文件 LGO Paintbrush（Microsoft画图应用程序）的徽标文件 LHA LZH更换文件后缀 LIB 库文件 LIN DataCAD线型文件 LIS 结构化查询报告（SQR）程序产生的输出文件 LLX Laplink交换代理 LNK Windows快捷方式文件 LOG 日志文件 LPD Helix Nut和Bolt文件 LRC Intel可视电话文件 LSL Corel Paradox保存的库文件 LSP AutoLISP、CommonLISP和其他LISP语言文件 LST 列表文件 LU ThoughtWing库单元文件 LVL Parallax Software的 Miner Descent/D2 Level扩展 LWLO Lightwave分层对象文件 LWOB Lightwave对象文件 LWP Lotus WordPro 96/97文件 LWSC Lightwave视景文件 LYR DataCAD层文件 LZH LH ARC压缩档案 LZS Skyroads数据文件 ----- M ------- M1V MPEG相关文件(MIME“mpeg”类型) M3D Corel Motion 3D动画文件 M3U MPEG URL（MIME声音文件） MAC MacPaint图像文件 MAD Microsoft Access模块文件 MAF Microsoft Access表单文件 MAG 在一些日本文件中发现的图形文件格式 MAGIC 魔力邮件监视器配置文件 MAK Visual Basil或Microsoft Visual C++工程文件 MAM Microsoft Access宏 MAN UNIX手册页输出 MAP 映射文件；Duke Nukem 3D WAD游戏文件 MAQ Microsoft Access查询文件 MAR Microsoft Access报表文件 MAS Lotus Freelance Graphics Smart Master文件 MAT Microsoft Access表；3D Studio MAX材料库 MAUD MAUD抽样格式 MAX Kinetx的3DStudio MAX文件；该格式用于一个3D场景文件；Paperport文件；OrCAD设计文件 MAZ Hover迷路数据；Division的dVS/dVISE使用的文件格式 MB1 Apogee Monster Bash数据文件 MBOX Berkeley Unix邮箱格式 MBX Microsoft Outlook保存email格式；Eudora邮箱 MCC Dailerl0呼叫卡 MCP Metrowerks CodeWarrior工程文件 MCR DataCAD键盘宏文件 MCW Microsoft Word的Macintosh文档 MDA Microsoft Access内抽入器；Microsoft Access 2.0版及其后续版本的工作组事件 MDB Microsoft Access数据库 MDE Microsoft Access MDE文件 MDL 数字跟踪器音乐模块（MOD）文件；Quake模块文件 MDN Microsoft Access空数据库模板 MDW Microsoft Access工作组文件 MDZ Microsoft Access向导模板文件 MED 音乐编辑器，OctaMED音乐模块（MOD）文件 MER 电子表格/数据库数据交换格式；FileMaker、Excel及其他软件能识别 MET 表示管理器元文件 MFG Pro/ENGINEER制造文件 MGF 在材料与几何学里的文件格式 MHTM，MHTML MHTML文档（MIME） MI 杂项 MIC Microsoft Image Composer文件 MID MIDI音乐 MIF Adobe FramMaker交换格式 MIFF 与机器无关格式文件 MIM，MIME，MME Internet邮件扩展格式的多用途文件，经常作为发送e-mail时在AOL里附件而创建的文件；在一个多区MIM文件里的文件能用WinZip或其他类似程序打开 MLI 3D Studio的材料库格式文件 MMF Meal Master格式；一个处方类格式；Microsoft邮件文件 MMG 超过20/20表或集会数据文件 MMM Microsoft多媒体电影 MMP Mindmapor Mind Manager文件 MN2 Descent2任务文件 MND，MNI Mandelbort for Windows MNG 多映像网络图形 MNT,MNX Microsoft FoxPro菜单文件 MNU Visual dBASE菜单文件；Intertel Systems Interact菜单文件 MOD Fast Tracker、Star Trekker、Noise Tracker(等等)音乐模块文件；Microsoft多计划电子表格；Amiga/PC磁道文件 MOV QuickTime for Windows电影 MP2 第二层MPEG音频文件 MP3 第三层MPEG音频文件 MPA MPEG相关文件，MIME“mpeg类型” MPE，MPEG，MPG MPEG动画文件 MPP Microsoft工程文件；CAD绘图文件格式 MPR Microsoft FoxPro菜单（已编译） MRI MRI扫描文件 MSA 魔术阴影档案 MSDL Manchester的场景描述语言 MSG Microsoft邮件消息 MSI Windows 安装器包 MSN Microsoft网络文档；Descent Mission文件 MSP Microsoft Paint（画图）位图文件；Windows Installer路径文件 MST Windows 安装器传输文件 MTM Multi 跟踪器音乐模块（MOD）文件 MUL Ultima在线 MUS 音乐 MUS10 Mus10声音 MVB Microsoft多媒体查看器文件 MWP Lotus WordPro 97 Smart Master文件 ----- N ------- NAN Nanoscope文件(Raw Grayscale) NAP NAP元文件 NCB Microsoft Developer Studio文件 NCD Norton改变目录 NCF NetWare命令文件；Lotus Notes内部剪切板 NDO 3D 低多边形建模器，Nendo netCDF 网络公用数据表单 NFF 中性文件格式 NFT NetObject Fusion模板文件 NIL Norton光标库文件（EasyIcons-兼容） NIST NIST Sphere声音 NLB Oracle 7数据 NLM NetWare可装载模块 NLS 用于本地化的国家语言支持文件（例如，Uniscape） NLU Norton Live Update e-mail 触发器文件 NOD NetObject Fusion文件 NSF Lotus Notes数据库 NSO NetObject Fusion文档文件 NST Noise Tracker音乐模块（MOD）文件 NS2 Lotus Notes数据库（第二版） NTF Lotus Notes数据库模板 NTX CA-Clipper索引文件 NWC Noteworthy Composer歌曲文件 NWS Microsoft Outlook Express新闻消息（MIME RFC822） ----- O ------- O01 台风声音文件 OBD Microsoft Office活页夹 OBJ 对象文件 OBZ Microsoft Office活页夹向导 OCX Microsoft对象链接与嵌入定制控件 ODS Microsoft Outlook Express邮箱文件 OFF 3D 网状物对象文件格式 OFN Microsoft Office FileNew文件 OFT Microsoft Outlook模板 OKT Oktalyzer音乐模块（MOD）文件 OLB OLE对象库 OLE OLE对象 OOGL 面向对象图形库 OPL 组织者编程语言源文件——Psion/Symbian OPO OPL输出可执行文件 OPT Microsoft Developer Studio文件 OPX OPL扩展DLL（动态链接库） ORA Oracle 7 配置文件 ORC Oracle 7脚本文件 ORG Lotus Organizer 文件 OR2 Lotus Organizer 2 文件 OR3 Lotus Organizer 97 文件 OSS Microsoft Office查找文件 OST Microsoft Exchange / Outlook 离线文件 OTL Super NoteTab 模板文件 OUT C语言输出文件 ----- P ------- P3 Primavera Project Planner（工程设计器）文件 P10 Tektronix Plot 10 绘图文件 P65 PageMaker 6.5文件 P7C Digital ID 文件（MIME） PAB Microsoft个人地址簿 PAC SB Studio Ⅱ 包 PAK Quake WAD文件 PAL 压缩文件 PART Go！Zilla部分下载文件 PAS Pascal源代码 PAT DataCAD Hatch模式文件；CorelDRAW模式；高级Gravis Ultrasound / Forte 技术；碎片文件 PBD PowerBuilder动态库，作为本地DLL的一个替代物 PBF Turtle Beach的Pinnacle 银行文件 PBK Microsoft PhoneBook（电话簿） PBL 用于在PowerBuilder开发环境中的PowerBuilder动态库 PBM 可导出位图 PBR PowerBuilder资源 PCD Kodak Photo-CD映像；P-Code编译器测试脚本，由Microsoft测试与Microsoft Visual测试 PCE Maps Eudora邮箱名字的DOS文件名 PCL Hewlett-Packard 打印机控制语言文件（打印机备用位图） PCM 声音文件格式；OKI MSM6376 合成芯片 PCM格式 PCP Symantec Live Update Pro文件 PCS PICS动画文件 PCT Macintosh PICT绘画文件 PCX Zsoft PC画笔位图 PDB 3Com PalmPilot数据库文件 PDD 可以用Paint Shop Pro或其他图像处理软件打开的图形图像 PDF Adobe Acrobat 可导出文档格式文件（可用Web浏览器显示）；Microsoft系统管理服务器包定义文件；NetWare打印机定义文件 PDP Broderbund的Print Shop Deluxe文件 PDQ Patton&Patton Flowercharting PDQ Lite 文件 PDS 摄影图像文件（该文件格式的来源不清楚） PF Aladdin系统对私人文件进行加密的文件 PFA 类型1字体（ASCⅡ） PFB 类型1字体（二进制） PFC PF组件 PFM 打印机字体尺度 PGD 良好隐私（Pretty Good Privacy，PGP）虚拟磁盘文件 PGL HP绘图仪绘图文件 PGM 可输出灰度图（位图） PGP 用良好隐私（PGP）算法加密文件 PH 由Microsoft帮助文件编译器产生的临时文件 PHP，PHP3 包含有PHP脚本的HTML网页 PHTML 包含有PHP脚本的HTML网页；由Perl分析解释的HTML PIC PC画图位图；Lotus图片；Macintosh PICT绘图 PICT Macintosh PICT图形文件 PIF 程序信息文件；IBM PIF绘图文件 PIG LucasArts的Dark Forces WAD文件 PIN Epic Pinball数据文件 PIX 内置系统位图 PJ MKS源完整性文件 PJX，PJT Microsoft Visual FoxPro工程文件 PKG Microsoft Developer Studio应用程序扩展（与DLL文件类似） PKR PGP的公用钥匙环 PL Perl程序 PLG 由REND386/AVRIL使用的文件格式 PLI Oracle 7数据描述 PLM Discorder Tracker2模块 PLS Disorder Tracker2抽样文件；MPEG PlayList文件（由WinAmp使用） PLT HPGL绘图仪绘图文件；AutoCAD plot绘图文件；Gerber标志制作软件 PM5 Pagemaker 5.0文件 PM6 Pagemaker 6.0文件 PNG 可移植的网络图形位图；Paint Shop Pro浏览器目录 PNT，PNTG MacPaint图形文件 POG Descent2 PIG文件扩展 POL Windows NT策略文件 POP Visual dBASE上托文件 POT Microsoft Powerpoint模块 POV 视频射线跟踪器暂留 PP4 Picture Publisher 4位图 PPA Microsoft Powerpoint内插器 PPF Turtle Beach的Pinnacle程序文件 PPM 可移植的象素映射位图 PPP Parson Power Publisher；Serif PagePlus桌面出版缺省输出 PPS Microsoft Powerpoint幻灯片放映 PPT Microsoft Powerpoint演示文稿 PQI PowerQuest驱动器图像文件 PRC 3COM PalmPiltt资源（文本或程序）文件 PRE Lotus Freelance演示文稿 PRF Windows系统文件，Macromedia导演设置文件 PRG dBASE Clipper和FoxPro程序源文件；WAVmaker程序 PRJ 3D Studio（DOS）工程文件 PRN 打印表格（用空格分隔的文本）；DataCAD Windows打印机文件 PRP Oberson的Prospero数据转换产品保存的工程文件 PRS Harvard Graphics for Windows演示文件 PRT 打印格式化文件；Pro/ENGINEER元件文件 PRV PsiMail Internet提供者模板文件 PRZ Lotus Freelance Graphics 97文件 PS Postscript格式化文件（PostScript打印机可读文件） PSB Pinnacle Sound Bank PSD Adobe photoshop位图文件 PSI PSION a-Law声音文件 PSM Protracker Studio模型格式；Epic游戏的源数据文件 PSP Paint Shop Pro图像文件 PST Microsoft Outlook个人文件夹文件 PTD Pro/ENGINEER表格文件 PTM Polytracker音乐模块（MOD）文件 PUB Ventura Publisher出版物；Microsoft Publisher文档 PWD Microsoft Pocket Word文档 PWL Windows 95口令列表文件 PWP Photoworks图像文件（能被Photoworks浏览的一系列文件） PWZ Microsoft Powerpoint向导 PXL Microsoft Pocket Excel电子表格 PY 来自Yahoo的电子消息；Python脚本文件 PYC Python脚本文件 ----- Q ------- QAD PF QuickArt文档 QBW QuickBooks for Windows文件 QDT 来自Quicken UK的QuickBooks数据文件，帐目/税/货单程序 QD3D Apple的QuickDraw 3D元文件格式 QFL FAMILY LAWYER文档 QIC Microsoft备份文件 QIF QuickTime相关图像（MIME）；Quicken导入文件 QLB Quick库 QM Quality Motion文件 QRY Microsoft查询文件 QST Quake Spy Tab文件 QT，QTM QuickTime电影 QTI，QTIF QuickTime相关图像 QTP QuickTime优先文件 QTS Mac PICT图像文件；QuickTime相关图像 QTX QuickTime相关图像 QW Symantec Q&A Write程序文件 QXD Quark XPress文件 ----- R ------- RA RealAudio声音文件 RAM RealAudio元文件 RAR RAR压缩档案（Eugene Roshall格式） RAS Sun光栅图像位图 RAW RAW文件格式（位图）；Raw标识的PCM数据 RBH 由RoboHELP维持的RBH文件，它加入到一个帮助工程文件的信息中 RDF 资源描述框架文件（涉及XML和元数据） RDL Descent注册水平文件 REC 录音机宏；RapidComm声音文件 REG 注册表文件 REP Visual dBASE报表文件 RES Microsoft Visual C++资源文件 RFT 可修订的表单文本（IBM的DCA一部分或文档内容框架结构一部分） RGB，SGI Silicon图形RGB文件 RLE Run-Length编码的位图 RL2 Descent2注册水平文件 RM RealAudio视频文件 RMD Microsoft RegMaid文档 RMF Rich Map格式（3D游戏编辑器使用它来保存图） RMI M1D1音乐 ROM 基于盒式磁带的家庭游戏仿真器文件（来自Atari 2600、Colecovision、Sega、Nintendo等盒式磁带里的ROM完全拷贝，在两个仿真器之间不可互修改） ROV Rescue Rover数据文件 RPM RedHat包管理器包（用于LinR Pegasus邮件资源文件 [colorux） RPT Microsoft Visual Basic Crystal报表文件 RRS Ace game Road Rash保存的文件 RSL Borland的Paradox 7报表 RSM WinWay Resume Writer恢复文件 RTF Rich Text格式文档 RTK RoboHELP使用的用来模拟Windows帮助的搜索功能 RTM Real Tracker音乐模块（MOD）文件 RTS RealAudio的RTSL文档；RoboHELP对复杂操作进行加速 RUL InstallShield使用的扩展名 RVP Microsoft Scan配置文件（MIME） Rxx 多卷档案上的RAR压缩文件（xx= 1～99间的一个数字） ----- S ------- S 汇编源代码文件 S3I Scream Tracker v3设备 S3M Scream Tracker v3的声音模块文件 SAM Ami专业文档；8位抽样数据 SAV 游戏保存文件 SB 原始带符号字节（8位）数据 SBK Creative Labs的Soundfont 1.0 Bank文件；(Soundblaster)/EMU SonndFont v1.x Bank文件 SBL Shockwave Flash对象文件 SC2 Microsoft Schedule+7文件格式；SAS目录（Windows 95/NT、OS/2、Mac） SC3 SimCity 3000保存的游戏文件 SCC Microsoft Source Safe文件 SCD Matrix/Imapro SCODL幻灯片图像；Microsoft Schedule +7 SCF Windows Explorer命令文件 SCH Microsoft Schedule+1 SCI ScanVec Inspire本地文件格式 SCN True Space 2场景文件 SCP 拨号网络脚本文件 SCR Windows屏幕保护；传真图像；脚本文件 SCT SAS目录（DOS）；Scitex CT位图；Microsoft FoxPro表单 SCT01 SAS目录（UNIX） SCV ScanVec CASmate本地文件格式 SCX Microsoft FoxPro表单文件 SD Sound Designer 1声音文件 SD2 Sound Designer 2展平文件/数据分叉指令；SAS数据库（Windows 95/NT、OS/2、Mac） SDF 系统数据文件格式—Legacy Unisys（Sperry）格式 SDK Roland S—系列软盘映像 SDL Smart Draw库文件 SDR Smart Draw绘图文件 SDS 原始Midi抽样转储标准文件 SDT SmartDraw模板 SDV 分号分隔的值文件 SDW Lotus WordPro图形文件；原始带符号的DWORD（32位）数据 SDX 由SDX压缩的Midi抽样转储标准文件 SEA 自解压档案（Stufflt for Macintosh或其他软件使用的文件） SEP 标签图像文件格式（TIFF）位图 SES Cool Edit Session文件（普通数据声音编辑器文件） SF IRCAM声音文件格式 SF2 Emu Soundfont v2.0文件；Creative Labs的Soundfont 2.0 Bank文件（Sound Blaster） SFD SoundStage声音文件数据 SFI Sound Stage声音文件信息 SFR Sonic Foundry Sample资源 SFW Seattle电影工程（损坏的JPEG） SFX RAR自解压档案 SGML 标准通用标签语言 SHB Corel Show演示文稿；文档快捷文件 SHG 热点位图 SHP 3D Studio（DOS）形状文件；被一些应用程序用于多部分交互三角形模型的3D建模 SHS Shell scrap文件；据载用于发送“口令盗窃者” SHTML 含有服务器端包括（SSI）的HTML文件 SHW Corel Show演示文稿 SIG 符号文件 SIT Mac的StuffIt档案文件 SIZ Oracle 7配置文件 SKA PGP秘钥 SKL Macromedia导演者资源文件 SL PACT的保存布局扩展名 SLB Autodesk Slide库文件格式 SLD Autodesk Slide文件格式 SLK Symbolic Link（SYLK）电子表格 SM3 DataCAD标志文件 SMP Samplevision格式；Ad Lib Gold抽样文件 SND NeXT声音；Mac声音资源；原始的未符号化的PCM数据；AKAI MPC系列抽样文件 SNDR Sounder声音文件 SNDT Sndtool声音文件 SOU SB Studio Ⅱ声音 SPD Speech数据文件 SPL Shockwave Flash对象；DigiTrakker抽样 SPPACK SPPack声音抽样 SPRITE Acorn的位图格式 SQC 结构化查询语言（SQR）普通代码文件 SQL InFORMix SQL查询；通常被数据库产品用于SQL查询（脚本、文本、二进制）的文件扩展名 SQR 结构化查询语言（SQR）程序文件 SSDO1 SAS数据集合（UNIX） SSD SAS数据库（DOS） SSF 可用的电子表格文件 ST Atari ST磁盘映像 STL Sterolithography文件 STM .shtml的短后缀形式，含有一个服务端包括（SSI）的HTML文件；Scream Tracker V2音乐模块（MOD）文件 STR 屏幕保护文件 STY Ventura Publisher风格表 SVX Amiga 8SVX声音；互交换文件格式，8SVX/16SV SW 原始带符号字（16位）数据 SWA 在Macromedia导演文件（MP3文件）中的Shockwave声音文件 SWF Shockwave Flash对象 SWP DataCAD交换文件 SYS 系统文件 SYW Yamaha SY系列波形文件 ----- T ------- T64 Commodore 64仿真器磁带映像文件 TAB Guitar表文件 TAR 磁带档案 TAZ UNIX gzip/tape档案 TBK Asymetrix Toolbook交互多媒体文件 TCL 用TCL/TK语言编写的脚本 TDB Thumbs Plus数据库 TDDD Imagine 和 Turbo Silver射线跟踪器使用的文件格式 TEX 正文文件 TGA Targa位图 TGZ UNIX gzip/tap档案文件 THEME Windows 95桌面主题文件 THN Graphics WorkShop for Windows速写 TIF，TIFF 标签图像文件格式（TIFF）位图 TIG 虎形文件，美国政府用于分发地图 TLB OLE类型库 TLE 两线元素集合（NASA） TMP Windows临时文件 TOC Eudora邮箱内容表 TOL Kodak照片增强器 TOS Atari 16/32和32/32计算机操作系统文件 TPL CakeWalk声音模板文件；DataCAD模板文件 TPP Teleport Pro工程 TRK Kermit脚本文件 TRM 终端文件 TRN MKS源完整性工程用法日志文件 TTF TrueType字体文件 TTK Corel Catalyst Translaton Tool Kit TWF TabWorks文件 TWW Tagwrite模板 TX8 MS-DOS文本 TXB Descent/D2编码概要文件 TXT ASCⅡ文本格式的声音数据 TXW Yamaha TX16W波形文件 TZ 老的压缩格式文件 T2T Sonate CAD建模软件文件 ----- U ------- UB 原始未符号化的字节（8位）数据 UDF Windows NT/2000唯一性数据库文件 UDW 原始未符号化的双字（32位）数据 ULAW 美国电话格式（CCITT G.711）声音 ULT Ultra Tracker音乐模块（MOD）文件 UNI MikMod UniMod格式化文件 URL Internet快捷方式文件 USE MKS源完整性文件 UU，UUE UU编码文件 UW 原始未符号化字（16位）数据 UWF UltraTracker波形文件 ----- V ------- V8 Covox 8位声音文件 VAP 加注讲演文件 VBA VBase文件 VBP Microsoft Visual Basic工程文件 VBW Microsoft Visual Basic工作区文件 VBX Microsoft Visual Basic用户定制控件 VCE Natural MicroSystems（NMS）未格式化声音文件（由Cool Edit使用） VCF 虚拟卡文件（Netscape）；Veri配置文件；为与Sense8的WordToolkit一起使用而定义对象 VCT，VCX Microsoft FoxPro类库 VDA Targa位图 VI National Instruments LABView产品的虚拟设备文件 VIFF Khoros Visualisation格式 VIR Norton Anti-Virus或其他杀毒产品用于标识被病毒感染的文件 VIV VivoActive Player流视频文件 VIZ Division的dVS/dVISE文件 VLB CorelVentura库 VMF FaxWorks声音文件 VOC Creative Labs的Sound Blaster声音文件 VOX 用ADPCM编码的对话声音文件；Natural MicroSystems（NMS）格式化声音文件，Talking Technology声音文件 VP Ventura Publisher出版物 VQE，VQL Yamaha Sound-VQ定位器文件 VQF Yamaha Sound-VQ文件（可能出现标准） VRF Oracle 7配置文件 VRML 虚拟现实建模语言文件 VSD Visio绘画文件（流程图或图解） VSL 下载列表文件（GetRight） VSN Windows 9x/NT Virusafe版文件，用于保持有关目录中所有信息，当一个文件被访问，其中信息与VSN信息进行比较，以确保它们保持一致 VSS Visio模板文件 VST Targa位图 VSW Visio工作区文件 VXD Microsoft Windows虚拟设备驱动程序 ----- W ------- W3L W3Launch文件 WAB Microsoft Outlook文件 WAD 包含有视频、玩家水平和其他信息的DOOM游戏的大文件 WAL Quake 2正文文件 WAV Windows波形声形 WB1，WB2 QuattoPro for Windows电子表格 WBK Microsoft Word备份文件 WBL Argo WebLoadⅡ上载文件 WBR Crick Software的WordBar文件 WBT Crick Software的WordBar模板 WCM WordPerfect宏 WDB Microsoft Works数据库 WDG War FTP远程守护者文件 WEB CorelXARA Web文档 WFB Turtle Beach的Wavefont Bank（Maui/Rio/Monterey） WFD Turtle Beach的Wavefont Drum集合（Maui/Rio/Monterey） WFM Visual dBASE Windows表单 WFN 在CorelDRAW中使用的符号 WFP Turtle Beach的Wavefont程序（Maui/Ri/Monterey） WGP Wild Board游戏数据文件 WID Ventura宽度表 WIL WinImage文件 WIZ Microsoft Word向导 WK1 Lotus 1-2-3版第1、2版的电子表格 WK3 Lotus 1-2-3版第3版的电子表格 WK4 Lotus 1-2-3版第4版的电子表格 WKS Lotus 1-2-3电子表格；Microsoft Works文档 WLD REND386/AVRIL文件 WLF Argo WebLoadⅠ上载文件 WLL Microsoft Word内插器 WMF Windows元文件 WOW Grave Composer音乐模块（MOD）文件 WP WordPerfect文档 WP4 WordPerfect 4文档 WP5 WordPerfect 5文档 WP6 WordPerfect 6文档 WPD WordPerfect文档或演示 WPF 可字处理文档 WPG WordPerfect图形 WPS Microsoft Works文档 WPT WordPerfect模板 WPW Novell PerfectWorks文档 WQ1 Quattro Pro/DOS电子表格 WQ2 Quattro Pro/DOS第5版电子表格 WR1 Lotus Symphony WRG ReGet文档 WR1 书写器文档 WRK Cakewalk音乐声音工程文件 WRL 虚拟现实模型 WRZ VRML文件对象 WS1 WordStar for Windows 1文档 WS2 WordStar for Windows 2文档 WS3 WordStar for Windows 3文档 WS4 WordStar for Windows 4文档 WS5 WordStar for Windows 5文档 WS6 WordStar for Windows 6文档 WS7 WordStar for Windows 7文档 WSD WordStar 2000文档 WVL Wavelet压缩位图 WWL Microsoft Word内插器文件 ----- X ------- X AVS图像格式 XAR CorelXARA绘画 XBM MIME“xbitmap”图像 XI Scream Tracker设备抽样文件 XIF Wang映像文件（Windows 95带有的文件） XLA Microsoft Excel内插器 XLB Microsoft Excel工具条 XLC Microsoft Excel图表 XLD Microsoft Excel对话框 XLK Microsoft Excel备份 XLL Microsoft Excel内插器文件 XLM Microsoft Excel宏 XLS Microsoft Excel工作单 XLT Microsoft Excel模板 XLV Microsoft Excel VBA模块 XLW Microsoft Excel工作簿/工作区 XM FastTracker 2，Digital Tracker音乐模块（MOD）文件 XNK Microsoft Exchange快捷方式文件 XPM X位图格式 XR1 Epic MegaGames Xargon数据文件 XTP Xtree数据文件 XWD X Windows转储格式 XWF Yamaha XG Works文件（MIDI序列） XY3 XYWrite Ⅲ文档 XY4 XYWrite Ⅳ文档 XYP XYWrite Ⅲ Plus文档 XYW XYWrite for Windows 4.0文档 X16 宏媒体扩展（程序扩展），16位 X32 宏媒体扩展（程序扩展），32位 ----- Y ------- YAL Arts& Letters剪贴艺术库 YBK Microsoft Encarta 年鉴 ----- Z ------- Z UNIX gzip文件 ZAP Windows软件安装配置文件 ZIP Zip文件 ZOO 早前版本的压缩文件 ----- 其他 ------- 000-999 用于为老版本（或备份）文件编号（比如：被安装程序改变的CONFIG.SYS文件）；又可用于为小范围的PC应用程序的多个用户相关数据文件编号 12M Lotus 1-2-3 97 SmartMaster文件 123 Lotus 1-2-3 97文件 2D VersaCAD的2维绘画文件 2GR，3GR 在Windows之下的VGA图形驱动程序/配置文件 3D VersaCAD的3维绘画文件 3DM 3D NURBS建模器，Rhino 3DS 3D Studio（DOS下）格式文件 386 在386或更高级处理器上使用的文件 4GE InFORMix 4GL编译后代码 4GL InFORMix 4GL源代码 669 Composer 669；UNIX Composer音乐模型文件；669磁道模块 #01 及更高的号为计算机演示而扫描的一系列电影的图片文件编号方法 $$$ OS/2用来跟踪档案文件 @@@ 用于安装过程中的屏幕文件和用于Microsoft Codeview for C这样的应用程序的指导文三、常用文件后缀与打开方式扩展名文件类型打开方式 .aiff 声音文件 Windows media Player .!!! Netants 暂存文件 Netants .arj 压缩文件 ARJ .avi 电影文件 Windows media Player .bas Basic 语言 Basic .bat DOS批处理文件自运行 .bin MAC 二进制码文件 Stuffit Expander .bmp 图象文件画图/看图软件 .cab 压缩文件 Winzip .cdr Corel图画文件 Corel Draw .chk Scandisk检察后制作的文件可以删掉 .com DOS命令文件自执行 .cpx Cryptapix加密图片文件 Cryptapix .dbf 数据库文件 dBase, FoxBase, Access .doc 文档文件 Word .dwg AutoCAD文件 AutoCAD .eps Illustrator 图画文件 Adobe Illustrator .exe 执行文件自执行 .gb 国标码文件南极星文字处理 .gif 256色图象文件画图/看图软件 .gz 可供UNIX或LINUX使用的压缩文件 Winzip .hqx Macintosh 文件 Stuffit Expander .htm 网页浏览器 .html 网页浏览器 .ini 配置设置记事本或WordPad .ipx IPX演示文件浏览器加装IPX 插件 .jiff 图象文件画图/看图软件 .jpeg 压缩过的图象文件画图/看图软件 .jpg 压缩过的图象文件画图/看图软件 .lnk 快捷方式连接文件连接文件的相应程序 .m3u Winamp播放列表 Winamp .mid 声音文件 Windows media Player .mov Quicktime影像文件 Quick Time .mp3 压缩音乐文件 Winamp .mpeg 影像 Windows media Player .mpg 影像 Windows media Player .njx 南极星文档南极星文字处理 .pcb 电子电路图设计文件 Protel PCB .pdf 便携式文档格式，内含图片文字等等 Adobe Acrobat, Adobe Acrobat Reader .pm5 PageMaker 5 排版文件 Page Maker .ppt Power Point 文件 Microsoft Power Point .psd Photoshop文件 Adobe Photoshop .pub Publisher排版文件 Microsoft Publisher .qt Quicktime影像文件 Quick Time .ra Real Audio声音文件 Real Audio .ram Real Audio影像文件 Real Audio .rar 压缩文件 Winrar .sch 电子原理图设计文件 Protel Schematic .tar UNIX压缩文件 Winzip .tif 高质量图象文件画图/看图软件 .tiff 高质量图象文件画图/看图软件 .tmp 暂存文件可以删掉 .txt 纯文本文件笔记本或全部文字处理系统 .vbs Visual Basic 编程文件 Microsoft Viasual Basic .viv VIVO影像文件浏览器加装VIVO 插件 .vqf 压缩声音文件 Yamaha SoundVQ Player .wav 未压缩的声音文件 Windows media Player .wk1 Lotus 123 试算软件文件 Lotus 123, Excel .wq1 Q-Pro 试算软件文件 Q-Pro, Excel .wri Write文字文档写字板、Word .xls Excel 试算软件文件 Microsoft Excel .zip 压缩文件 Winzip 杭州·阿海工作室 zyh@hj8.net

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Sym Ext. Description Used by ### Temporary file program-dependent format #24 Printer data file for 24 pin matrix printer LogoScript #IB Printer data file LogoScript #nn Part of file image Long #SC Printer data file LogoScript #ST Standard mode printer definitions LogoScript $$$ OS/2 archive file (i.e archives.$$$, keys.$$$) OS/2 $$$ Temporary file $? ZX Spectrum file in HOBETA format $00 Pipe file DOS $DB Temporary file dBASE IV $ED Editor temporary file MS C $O1 Pipe file DOS $VM Virtual manager temporary file Windows 3.x )2( LHA archiver temporary file LHA ??$ Backup file P-CAD ??_ Microsoft packed file Expand ?DK Disk image Loaddskf.exe ?UT Nonpacked FTN mail (? - flavor) FTN software !ut Unfinished µTorrent download µTorrent ___ Adinf table Adinf EX_ Compressed executable file Note: EX could be any first two characters in a file extension (eg BM_ for compressed bitmap (BMP), DL_ for compressed library, etc.) Files compressed using this method have been in use on Microsoft software CDs and floppies since around 1995. ?Q? Squeeze for CP/M and MS-DOS ~$~ Temporary file 1st Reader ~?? Old Backup files (.MNU to .~MN) Resource Workshop - Borland Delphi ~H Cardfile heap AZZ Cardfile μ Metrowerks Codewarrior project Π THINK C project [edit] # Ext. Description Used by 0 Compressed harddisk data DoubleSpace 0B Printer font with lineDraw extended character set PageMaker 001, 002, ... Split parts of a single whole file HJSplit 1 Fax 1 Fax many 1 Roff/nroff/troff/groff source for manual page cawf2.zip 123 Spreadsheet Lotus 1-2-3 version 9 - Lotus 1-2-3 version 97 15U Printer font with PI font set PageMaker 1ST Usually README.1ST text file 2GR 286 Grabber File Win 301 Fax Super FAX 2000 - Fax-Mail 96 386 Intel 80386 processor driver Windows 3.x 386 Windows virtual device driver Win 3DMF QuickDraw 3D Metafile QuickDraw 3DS 3D Studio Graphics format 3D Studio 3DT Database in which the meta-data of a 3D Topicscape is held 3D Topicscape 3FX Effect CorelChart 3GR 386 Grabber File Win 3GP Mobile Phone Video 3T4 Binary file converter to ASCII Util3 4C$ Datafile 4Cast/2 4MD Musical file 4SW 4DOS Swap File 4DOS 4TH FORTH source code file ForthCMP - LMI Forth 555 16 bit per pixel image file format (5bit per component) 668 Music (the mixing is always at 12048 Hz) 669 Music (8 channels) The 669 Composer 6CM Music (6 Channel Module) Triton FastTracker 75 75x75 dpi display font Ventura Publisher 7z 7-Zipped file 8 A86 assembler source code file 85 85x85 dpi display font Ventura Publisher 8BF Adobe Photoshop compatibile filters/plugins 8CM Music (8 Channel Module) Triton FastTracker 8M Printer font with Math 8 extended character set PageMaker 8U Printer font with Roman 8 extended character set PageMaker 8xp Executable program for TI-83/84 Plus Graphics Calculator TI Connect 91 91x91 dpi display font Ventura Publisher 96 96x96 dpi display font Ventura Publisher [edit] A Ext. Description Used by A ADA source code file A Library unix A## AlZip Compressed Files' pieces A11 Graphics AIIM image file AAF AutoPatcher file AAS Animation Play Script AAPlay AB6 Datafile ABStat AB8 Datafile ABStat ABC Document ABC FlowCharter 1.0 ABP Data ABComp compressed ABP AVS Barcode Profile AVS Barcode Source ABF Adobe Binary Screen Font Adobe Systems Software ABK Automatic backup file CorelDRAW ABM Image PALS album file ABM Album file (various programs) ABR Adobe Brush file for PhotoShop PhotoShop ABS Abstracts (info file) ABS Data file Abscissa AC Project backup Audit Command Language (ACL) ACA Project Project Manager Workbench ACB Archive ACB ACB see ACMB ACC Program (DR-DOS - ViewMax) GEM / resident ACCDA Data Microsoft Access Database Wizard (Open XML) ACCDB Data Microsoft Access Database (Open XML) ACCDE Data Microsoft Access Database Wizard (Open XML) ACCDT Data Microsoft Access Database Template (Open XML) ACCDU Data Microsoft Access Database Wizard (Open XML) ACE Archive ACE ACF Adobe Custom Filter for PhotoShop PhotoShop ACL Project Audit Command Language (ACL) ACL AutoCorrect List Microsoft Office ACM Audio Compression Module add-on Win ACMB Graphics file ACO Adobe Color Palette ACT ACTOR source code file ACTOR ACT Animations Works Actor (Graphics cell) Animation Works ACT FoxDoc Action Diagrams FoxPro ACT Presentation Action! AD AfterDark screensaver module AfterDark AD2 ADPCM 2-bit compressed voice file ZFAX AD3 ADPCM 3-bit compressed voice file ZFAX ADA Ada source code file ADB Ada Package Body ADC Bitmap graphics (16 colors) Scanstudio ADC Dictionary Lingvo ADD OS/2 adapter device driver ADF Amiga Disk File unADF, UAE, WinUAE etc... ADG Data ADG 3D Scene ADI Graphics file AutoCAD ADICHT LabChart data acquisition file ADInstruments ADL MCA adapter description library QEMM ADM After Dark support file AfterDark ADM ADEM file format ADEM ADN Add-in Lotus 1-2-3 ADR After Dark support file AfterDark ADS Ada Package Specification ADT Datafile for cardfile application HP NewWave ADT Dictionary Lingvo ADT Fax AdTech ADV GUS device driver Gf166.com ADX Document Archetype Designer ADZ Amiga Disk Zipped (See Amiga Disk File) GZip AEP After Effects Project File Adobe After Effects AF2 Flowchart ABC FlowCharter 2.0 AF3 Flowchart ABC FlowCharter 3.0 AFI Truevision bitmap graphics AFL Font file (for Always) Lotus 1-2-3 AFM Datafile for cardfile application HP NewWave AFM Type 1 font metric ASCII data for font installer ATM - many AFP Shape palette ABC FlowCharter AFT Template ABC FlowCharter 3.0 AFW Workplace ABC FlowCharter 3.0 AGR ArcView ASCII grid AI Vector graphics file Adobe Illustrator AIF see AIFF AIFC Sound AIFF Audio Interchange Format File (AIFF) Convert (c) Villena AiM Asm Text Mode Image File The Ultimate Draw AIN Archive AIN AIN Job schedule AutoIntern AIO APL programming language file transfer format file AIS Array of Intensity Samples graphics file Xerox AIX Datafile for cardfile application HP NewWave ALC Molecular coordinates Alchemy, RasMol ALG Activity Log ARCSOLO ALL ----- (Arts & Letters) symbol and font files Arts & Letters ALL Filelist w/ all files FRQView ALL Format file for working pages Always ALL General printer information WordPerfect for Win ALO Almanac support file ALT Menu file WordPerfect Library ALZ AlZip Compressed Files AMF Music (Advanced Module Format) DMP AMG Archive AMGC AMG System image file ACTOR AML AutomationML AutomationML Group AMR Audio format for mobile phones (Nokia, SonyEricsson) AMS Adobe Monitor Setup calibration file PhotoShop AMS Music format ANI Animation cursors for Win Win95 - WinNT ANI Animation IconAuthor ANM Animation Deluxe Paint Animator ANN Help Annotations Windows 3.x Ann Multi volume ARJ archive ARJ ANS ANSI character graphics (animation) file ANSView ANS ASCII text ANSI character set NewWave Write AOL America On-line for Windows DLL Win AOS Add-On Software Nokia 9000 AP Archive WHAP AP Datafile Datalex EntryPoint 90 APC Printer driver Lotus 1-2-3 APD Printer driver Lotus 1-2-3 APE Monkey's Audio (Lossless) audio media players APF Printer driver Lotus 1-2-3 API Adobe Printer Ink file for PhotoShop PhotoShop API Passed parameter file 1st Reader API Printer driver Lotus 1-2-3 APL APL work space format file APL Support module used by Manugraphics APL products APM Authorware Macintosh Authorware APP Add-in application file Symphony APP Application object file dBASE Application Generator APP Application FoxPro APP Application and Application Bundle Mac OS X APP Executable workflow / macro file Automator APP Executable application file DR-DOS - NeXTstep - Atari APP Generated application FoxPro APR Employee performance review Employee Appraiser APW Authorware Windows Authorware APX Appexpert database file Borland C++ 4.5 AR7 Archive AR7 ARC Archive ARC - PKARC/PKXARC - PKPAS - PKUNPAK - QUARK ARC Archive SQUASH ARD Map Holux - Alan ARF Automatic Response File ARH Archivers definitions file DN ARI Archive ARI ARJ Archive ARJ - ARJZ ARK ARC archive CP/M port of ARC file archiver ARK Archive QUARK ARK Managing your Money Archive File ARR Arrangement Atari Cubase ART First Publisher graphic file First Publisher ART Graphics (scrapbook) Art Import ART Graphics format (Another Ray Tracer) PFS:1st publisher - Art Import ARX Archive ARX ASC ASCII text file ASC Transport armor file PGP ASD Autosave file Microsoft Word ASD Presentation Astound ASD Screen driver Lotus 1-2-3 ASE Velvet Studio Sample AWAVE ASF Datafile STATGRAPHICS ASF Screen font Lotus 1-2-3 ASF Advanced Streaming Format (Compressed Windows audio/video) Microsoft Corporation ASK SYSGEN answer file RT-11 ASH Assembly language header file TASM 3.0 ASI ASIC language source ASIC ASI Assembler include file Turbo C - Borland C++ ASM Assembler language source TASM, MASM, NASM, Yasm, FASM ASMX ASP.NET Web Service Microsoft Corporation ASO Assembler object (object-oriented) file Turbo Assembler ASP ASPECT source code file Procomm Plus ASP Association of Shareware Professionals OMBUDSMN.ASP notice ASP Active Server Pages of Microsoft.Net Microsoft Corporation ASPX ActiveX Server Pages of Microsoft.Net Microsoft Corporation ASS Amalgam Scene Specification Halo 2 Map Editor ASS Advanced SubStation Alpha (Subtitles) AST Adobe Color Separation table for PhotoShop PhotoShop ASW Authorware Star Authorware ASX Advanced Stream Redirector file, redirects to an ASF file (see ASF) Microsoft Corporation ASZ Skin AltDesk AT2 Auto template Aldus Persuasion 2.0 AT3 Atrac 3 Sound/music file All Sony devices and programs with the Atrac 3+ specification ATM Adobe Type Manager data/info ATN Adobe Photoshop action Adobe Photoshop ATT AT&T Group GCGW ATY Produced when an association type is exported by 3D Topicscape 3D Topicscape AU Sun/NeXT/DEC Audio file AWAVE, GoldWave AU Sound (audio) file SUN Microsystems - Convert (c) Villena AUD Audio file AudioRack AUP Audacity project file Audacity AUX Auxiliary dictionary ChiWriter AUX Auxiliary references TeX/LaTeX AVA Publication Avagio AVB AntiViral Toolkit Pro Bases AVI Audio Video Interleaved animation file Video for Windows AVR Audio Visual Research AWAVE AVS Application Visualization System AVT AVATAR-coding files A3E AW Text file HP AdvanceWrite AWA Animations Works Accelerated Movie Animation Works AWD Microsoft Fax At Work Document Microsoft Fax At Work AWK AWK script/program AWM Animations Works Movie (as .AVI) Animation Works AWS Data STATGRAPHICS Ax Directshow filter file format AXF ARM Executable Image generated by the ARM tools. AXM Axmedis object Axmedis Tools AZD Amazon Software Download Amazon Software Download AZW DRM enabled eBook Amazon Kindle AZZ Data file AZZ Cardfile [edit] B Ext. Description Used by B&W Black and white graphics file atari - mac B&W Mono binary screen image 1st Reader B Batch list APPLAUSE B_W Black and white graphics file atari - mac B1N Both mono and color binary screen image 1st Reader B30 Printer font (JLaser - Cordata) Ventura Publisher B8 Raw graphics file (one byte per pixel) plane two PicLab BA Binary Archive Scifer Archiver and Compression [External Header Mode] BAC Compiled BASIC RT-11 BASIC-11 BAD Bad file Oracle - many BAD File which covers bad blocks on disk volume (not to be moved) RT-11 BAK Backup file BAL Music score Ballade BALANCE Balance accounting sheet file Balance BAR Horizontal bar menu object file dBASE Application Generator BAR Info Bar for GFX2EXE GFX2EXE BAS BASIC language source QuickBASIC - GW-BASIC - FreeBASIC BAT Batch file MS-DOS, RT-11 BB Database backup Papyrus BBL Bibliographic reference file TeX/BibTeX BBM Brush Deluxe Paint BBP Playlist BassBox BBS Bulletin Board System announce or text info file BBS Hudson-style messagebase FTN software BC! Unfinished download Unfinished BitComet download (a BitTorrent client) BCF Card data Bingo Card Creator BCH Batch process object file dBASE Application Generator BCH Datafile Datalex EntryPoint 90 BCO Outline font description Bitstream BCP Borland C++ makefile BCT Backup dictionary Clarion BCW Environment settings Borland C++ 4.5 BDC Dictionary Lingvo BDEF Builder Definition Websphere Portlet Factory BDF Adobe Glyph Bitmap Distribution Format Adobe Software BDF Binary update file BUPDATE.EXE (c) TNT Techn. BDF Bitmap Distribution Format font file X11 BDF Datafile Egret BDM Videoclip AVCHD BDR Border Microsoft Publisher BDT Dictionary Lingvo BEZ Outline font description Bitstream BF Brainfuck sourcefile BF2 Bradford 2 font BFC Briefcase Win95 Win95 BFM Font metrics unix/Frame BFX Fax BitFax BGA Bitmap graphics BGI Borland Graphics Interface device driver Turbo C - Turbo Pascal BI BASIC include file Visual Basic - FreeBASIC BIB Bibliography (ASCII) BIB Database - not compatible with TeX format Papyrus BIB Literature database TeX/BibTeX BIF Binary Image Format b&w graphics file Image Capture board BIK Bink video file (RAD Video) BIN Binary file, usually zero-start (.com analog) BIN SGI Powerflip BIN Text mode memory dump The Draw - TUD - ACiDDraw - etc BIO BioniX Wallpaper playlist file BioniX Wallpaper BIO OS/2 BIOS BIT Bitmap X11 BK! Document backup WordPerfect for Win BK Faxbook JetFax BK? Backup file BKn Timed backup file for document window n WordPerfect for Win BKP Backup file Write - TurboVidion DialogDesigner BKW Mirror image of font set FontEdit BLD BLoaDable picture BASIC BLD SYSGEN Build procedure file RT-11 BLEND Blender3D Project File Blender BLG Backup Log ARCSOLO BLK Temporary file WordPerfect for Win BM BitMap graphics file BM3 UIQ3 Phone backup BMK Help Bookmarks Windows 3.x BMP OS/2 or Win graphics format (BitMap Picture) QPeg - CorelDraw - PC Paintbrush - many BMT Ami Pro Button Ami Pro BNA Data Atlas Boundary BNK Adlib instrument bank file BNR Graphics Banner Banner - Poster BOK Shamela Library book Shamela Library Program BOO Book-format READIBM BOO Compressed file ASCII archive created by BOO (msbooasm.arc) msbooasm.arc BPC Chart Business Plan Toolkit BPOLY Data Prisms binary 3D object BPP Backup application Clarion BPT Bitmap fills file CorelDRAW BR Script Bridge BRD Eagle Layout File BRD Tanzzle board file Tanzzle BRD Cadence Allegro board file Cadence BRK Fax Brooktrout Fax-Mail BRK The Brake! Mailer REXX script The Brake! BRL CAD Ballistic Research Laboratory CAD BS2 Archive BS2.EXE BSA Archive BSArc BSC Compressed Apple II file archive created by BINSCII BINSCII BSC Database Source Browser BSC Pwbrmake object file Microsoft Fortran BSP Half-Life\Half-Life 2 map files Valve Corporation BSS Casio Phone base PC-LINK BST BiblioTex file (BiblioTex=bibliography file) TeX BSY Busy flag FTN soft BTM Batch-to-memory (quick batch) 4dos -ndos BTN Makeover Button file BUFR Binary Universal Form for the Representation of Meteorological Data BUG Bugs and Problems BUN LucasArts Bundle File BUP Backup file BUT Button definitions Buttons! BUY Datafile format movie BVn Overflow file below insert point in Doc n WordPerfect for Win BWB Spreadsheet application Visual Baler BWR Beware (buglist) Kermit BYU BYU Movie BYU BZ2 Archive bzip2 BZM Map Blitzkrieg [edit] C Ext. Description Used by C-- C-- language source Sphinx C-- C C language source Watcom C/C++ C Unix file archive COMPACT C++ C++ language source C00 Print file Ventura Publisher C01 Typhoon wave files AWAVE C86 C source code file Computer Innovation C86 CA Initial cache data for root domain servers Telnet CA? Borland packed and split file Borland Installer CAB Win 95 packed file Win 95 CAC dBASE IV executable when caching on/off (see cachedb.bat) CAD Drawing BobCAD-CAM CAD Document Drafix Windows CAD CAL Calendar file Windows 3.x CAL Spreadsheet format SuperCalc CALS Computer Aided Acquisition and Logistics CALS Support Raster Format CAM Casio Camera CAN Fax Navigator Fax CAP Caption Ventura Publisher CAP Capture file ProComm - Telix CAS C + ASM language source Turbo C CAT Catalog CP Backup - dBASE IV CAT Device driver digital signature Microsoft Windows CAT Stellarium Star Catalogue Stellarium CATS Combined source ATS CBA Source code Creative BASIC CBC Fuzzy logic system CubiCalc CBL COBOL source code file CBM Compiled bitmap graphics XLib CBR Comic Book Reader (RAR file) CDisplay and similar CBS MasterWord button bar configuration file CBT Computer Based Training many CBZ Comic Book Reader (ZIP file) CDisplay and similar CC C++ source code file CC CC language source CC CCC Bitmap graphics (native format) Curtain Call CCF Communications configuration file Symphony CCH Chart CorelChart CCITT CCITT Group 3 and Group 4 Encoding CCL Communication Command Language file Intalk CCO BTX Graphics file XBTX CCT Print Template BobCAD-CAM CD CD description DN CDA CD-Audio Win95 CDB Card database CardScan CDB Main database TCU Turbo C Utilities CDF Common Data Format CDF Cyberspace Description Format CDF Graphics netcdf CDK Document Atari Calamus CDL CADKey CADL Language CADKey CDM Disk Drivers NPA Novell NetWare CDM Music format (compressed) CDR Vector graphics format (drawing) CorelDraw! CDT Corel Draw Template File CorelDraw! CDX Compaund index file Visual FoxPro CE Computer Eyes Conversion Artist CE Main.ce The FarSide Computer Calendar CEB Cont. Edge Bitmap Conversion Artist CEF CA-Clipper Workbench Application CA Clipper CEF Export File CEF Compact Embedded Font Adobe Illustrator CEG Bitmap graphics Tempra Show - Edsun Continuous Edge Graphics CEL Animation CEL 3D Studio CEL Graphics Autodesk Animator - Lumena CF Configuration file imake CFG Configuration file CFL Chart CorelFLOW CFM ColdFusion Markup Language Adobe ColdFusion CFN Font data Atari Calamus CFO C Form Object internal format object file TCU Turbo C Utilities CFP Fax The Complete Fax Portable CFT CFast graphics file Disney Animation Studio CGA CGA display font Ventura Publisher CGI Common Gateway Interface script CGM Computer Graphics Metafile vector graphics A&L - HG - many CH Clipper language header CA Clipper CH3 Chart Harvard Graphics 3.0 CH4 Presentation Charisma 4.0 CHD Font descriptor FontChameleon CHI ChiWriter Document ChiWriter - Chiview CHK Recovered data DOS CHKDSK CHK Temporary file WordPerfect for Win CHL Configuration History Log CHM Compiled Help File Microsoft Windows, Help Explorer Viewer CHN Data Ethnograph 3 CHP Chapter file Ventura Publisher CHR Character set Turbo C - Turbo Pascal CHT Chart Harvard Graphics 2.0 - SoftCraft Presenter CHT CHeaT in any program/game many CHT Interface file for ChartMaster dBASE CHZ Archive CHARC CIF Caltech Intermediate Format graphics file CIF Chapter information Ventura Publisher CIF Crystallographic Information File RasMol, Jmol CiM C Text Mode Image File The Ultimate Draw CIX Database index TCU Turbo C Utilities CKB Borland C++ 4.x editor keystroke mapping BCW.EXE CL COMMON LISP source code file CLA Source Clarion CLASS Java class file Java CLD Clipper debugger configuration file CA Clipper CLP Clip art graphics file Quattro Pro CLP Clipboard file Windows 3.x CLP Compiler response file CA Clipper CLP Graphics format PCPAINT/Pictor CLR Color binary screen image 1st Reader CLR Color definitions Photostyler CLR Color scheme Boxer/2 CLR Palette file for GIS format CLS C++ class definition file CLW MFC Class Wizard information Microsoft VC++ CM Data file CraftMan CMB Xtree for Windows Button Bar file CMD Command dBASE - Waffle CMD External command menu 1st Reader CMD OS/2 batch/REXX file OS/2 CMF FM-music file (Creative Music File) CMK Card Card Shop Plus CMM CMM script (batch) file CEnvi CMP Bitmap graphics (Lead CMP compression) CMP Compressed data PKWare Inc. data compression library CMP Header file for PostScript printer files CorelDRAW CMP Photofinish Calibration Map Photofinish CMP User dictionary Microsoft Word for DOS CMRL Concise message routing language DOTGO CMS Content Management System Any Web Browser CMU Carnegie Mellon University Formats CMV Animation (CorelMove CorelDraw 4.0) CorelMove CorelDraw 4.0 CNC CNC general program data CND System generation conditional file RT-11 CNF Configuration (program - printer setup) program - printer setup CNF Configuration file CNV Temporary file WordPerfect for Win CNV Winword DLL used as part of an import operation (CNV=converter) Microsoft Word COB Calgari trueSpace2 File Format COB COBOL source code file COD Code definition table UUPC COD Datafile Forecast Plus - Microsoft Multiplan - StatPac Gold COD file uncluding CODES for any program/game many COD Printer code definition file Boxer/2 COD Program compiled code FORTRAN COD Template source file dBASE Application Generator COD Videotext file COE Coefficient file Xilinx ISE COL Color palette Autodesk Animator - many COL Spreadsheet Microsoft Multiplan COM Command (memory image of executable program) DOS COM Indirect command file (sequence of commands to be executed) RT-11 CON Configuration file Simdir CON MSTS Consist file MSTS CPC Compressed image Cartesian Perceptual Compression CPD Script Complaints Desk CPF Fax The Complete Fax CPI ColorLab Processed Image bitmapped graphics file CPI MS-DOS codepage file MODE.EXE CPL Control panel file Windows 3.x CPL Presentation Compel CPP C++ language source Watcom C/C++ CPP Presentation CA-Cricket Presents CPR Knowledge Access GCGW CPS ----- backup of startup files by QEMM (?) autoexec.cps CPT Encrypted memo file dBASE CPT Mac file archive COMPACT PRO CPT Template CA-Cricket Presents CPZ Music text file COMPOZ CR2 RAW image format Canon digital cameras CRA Advanced crack file (usually text) CRD Cardfile Windows 3.x - YourWay CRD Map Holux - Alan CRD Molecular coordinates CHARMM, RasMol CRF Cross-reference Microsoft MASM - Zortech C++, RT-11 CREF CRK Crack file (usually text) CRP Encrypted database dBASE IV CRS File Conversion Resource WordPerfect 5.1 CRT Terminal settings information Oracle CRU Compressed file archive created by CRUSH CS C# source file C# CSG Graph Statistica/w CSM Borland C++ 4.x precompiled header file BCW.EXE CSP PC Emcee Screen Image file Computer Support Corporation CSS Datafile CSS - Stats+ CSS Datasheet Statistica/w CSS cascading style sheet CSV Adjusted EGA/VGA palette CompuShow CSV Comma Separated Values text file format (ASCII) CTC Control file PC Installer CTF Character code translation file Symphony CTK CommonTime Key file CommonTime software applications CTL Control file dBASE IV - Aldus Setup CTL BATCH control file (generated by BATCH from .BAT file) RT-11 CTT BATCH Temporary file RT-11 CTX Ciphertext file Pretty Good Privacy RSA System CTX Course TeXt file some Microsoft online guides CTX document Creativyst Table eXchange CUF C Utilities Form definition TCU Turbo C Utilities CUR Windows resource (cursor image file) Resource Workshop - WRT - Watcom Resource Editor CUT Graphics format (bitmapped graphics) dr. Halo CV4 Color file CodeView CVP Cover page WinFax CVS Graphics Canvas CVT Backup file for CONVERTed database file dBASE IV CVW Color file CodeView CWEB C Web CWK Datafile ClarisWorks, Appleworks CXX C++ source code file Zortech C++ [edit] D Ext. Description Used by D D Programming Language source file DMD D4D Data Draw 4D object D4P Data Draw 4D Pro object D64 Commodore 64 disk image DAA Direct Access Archive DAF Data file Digital Anchor DAT data RSNetWorx Project DAT Data file in special format or ASCII DATS Dynamic source ATS DAT Database file Clarion (programming language) DB$ Temperature debug info Clarion Modula-2 DB$ Temporary file dBASE DB Database file Paradox - XTreeGold - dbvista DB Configuration dBASE IV - dBFast DB Multi Edit config ME DB2 Database dBASE II DB3 Database dBASE III DBA Database file Turbo Prolog - DataEase DBA DarkBasic source code DBC DataBaseContainer Visual FoxPro DBD Business data Business Insight DBD Debug info Clarion Modula-2 DBF Database file dBASE III/IV - Visual FoxPro - dBFast - DataBoss - DBVista DBG Debugger script DOS debug - Watcom debugger DBG Symbolic debugging information Microsoft C/C++ DBK Database backup dBASE IV DBL DIBOL source file DBM Datafile DataEase DBM Menu template DataBoss DBO Compiled program dBASE IV DBPro DarkBasicPro Project DBS Data file used by Managing Your Money DBS Database in SQL Windows format DBS Datafile PRODAS DBS Printer description file Microsoft Word, Microsoft Works DBT FoxBASE+ style memo FoxPro 2.x DBT Memo file for database w/same name dBASE IV - dBFast DBW Windows file DataBoss DBX DataBeam GCGW DBX AutoCAD Database AutoCAD DBX Archive File Outlook Express DCA Document Content Architecture text file IBM DisplayWrite DCF floppy disk image Disk Copy Fast DCL Delphi Control Library Borland Delphi DCM DCM music module AWAVE DCP OS/2 device code page OS/2 DCS Bitmap graphics (CYMK format) QuarkXPress DCS Datafile ACT! Activity Files DCT Dictionary: used by many programs with program dependent format Clarion DCT Spell checking dictionary Harvard Graphics 3.0 - Symphony DCT DataBaseContainer Extension Visual FoxPro DCU Delphi unit (compiled) Borland Delphi DCW Walter Machine Programing Walter Profile Editor DCX Multi-page PCX graphics (common fax format) Intel - SpectraFAX DCX DataBaseContainer Index Visual FoxPro DD Macintosh file archive DISKDOUBLER DDA Data GLBasic ASCII 3D object DDB Bitmap graphics DDB Digidesign Database File Digidesign ProTools DDI Disk image DiskDupe DDP Device Driver Profile file OS/2 DDS DirectDraw Surface file Microsoft Flight Simulator, other Microsoft programs DEB DEBUG script DOS Debug DEF Assembly header file Geoworks DEF Defaults - definitions DEF Linker definition file TLink - WLink... DEM Demonstration DEM Digital Elevation Model DEM Graphics file VistaPro DEM Vista DEM file Meta.exe VP3 DES Ascii text parameter description AWAVE desktop Desktop Entry freedesktop.org DEV Device driver DEV SYSGEN handler build procedure RT-11 DEV Dev-C++ project file Dev-C++ DFD Data Flow Diagram graphic file Prosa DFI Outline font description Digifont DFL Default program settings Signature DFM Data Flow Diagram model file Prosa DFM Delphi form module Borland Delphi DFS Delight Sound File DFV Printing form (Word) Microsoft Word DFX Micrografx Effects DLL DGN Graphics file MicroStation DGS Diagnostics DH Dependency information for .ph Geoworks DHP Dr. Halo PIC Format graphics file Dr. Halo II - III DHT Datafile Gauss DI D Programming Language interface file DMD DIA Diagraph graphics file Computer Support Corporation DIB Device Independent Bitmap rarely used Windows 3.0 bitmap; Win - OS/2 DIC Dictionary (e.g. from WinWord) DIF Borland patch data file Borland patch DIF Data Interchange Format Visicalc DIF OS/2 V2.2 Display Information File OS/2 DIF Output from Diff command - script for Patch command DIF SRCCOM, BINCOM output file RT-11 DIG Digilink AWAVE DIG Sound Designer 1 audio file AWAVE DIP Graphics DIP Watcom debug info processor WatcomDebugger DIR Dialing directory file Procomm Plus DIR Directory file VAX - CPS Backup DIR Movie MacroMind Director 4.x DIR Directory listing file RT-11 DIS Distribution file VAX Mail DIS Thesaurus CorelDraw DIZ Description file (Description In Zip) DJVU A PDF LIKE FILE DJVU DKB Raytraced graphics DKBTrace DL Animation format (Italian origin) Display - DL Viewer DLD ----- Lotus 1-2-3 DLG Dialog resource script file Microsoft Windows SDK DLG Dialog resources DN DLF Dialogue Live Format Produced by Exstream Dialogue and edited by Dialogue Live Editor DLG Windows SDK dialog editor data file DLG Windows SDK dialog editor data file DLL Dynamic-link library Windows 3.x - OS/2 DLL Export/import filter CorelDRAW DLM Microsoft File Transfer Manager Microsoft File Transfer Manager DLP Data DAQLab DLS Setup Norton Disklock DMF Music format (Delusion Digital Music File) Delusion DMO Demo Derive DMP Dump file (eg. screen or memory) DMP DUMP utility output file RT-11 DMS Amiga file archive DISKMASHER DNG The Digital Negative (DNG), a publicly available archival format for the raw files generated by digital cameras. Adobe Camera RAW native file DNT data RSNetWorx Project DOC A Document, or an ASCII text file with text formatting codes in with the text. This generic extension is used by many word processors. Microsoft Word and others DOCM Microsoft Word 2007 Master document Microsoft Word 2007 DOCX Office Open XML Text document Microsoft Word DOF Delphi project options file Borland Delphi DOG Screen file Laughing Dog Screen Maker DOH Dependency information for .poh Geoworks DOR Roland Digital audio file Roland DOS External command file 1st Reader DOS Network driver (eg. pkt_dis.dos) DOS OS/2 V3 SVGA PMI-File Svga.exe DOS Something for MS-DOS (e.g. msdos.dos) Win95 DOS Text file containing DOS specific info DOT Line-type definition file CorelDRAW DOT Microsoft Word document template Microsoft Word DOTX Office Open XML Text document template Microsoft Word DOX Text file MultiMate 4.0 DOZ Description Out of Zip VENDINFO DP Calendar file Daily Planner DP Data file DataPhile DPR Default project- and state-related information Borland C++ - Delphi - C DPX Digital Moving Picture Exchange DRP Web3D File Web3D DRS Display Resource WordPerfect for Win DRV Driver DRW Designer vector graphics file Designer - MicroGraphix DS TWAIN Data Source Any twain-source must supply one xxx.ds file DS4 Vector graphics Micrografx Designer 4.x DSC Celestia Deep Space Catalog file Celestia DSC Description file DSC Discard file Oracle DSD Database DataShaper DSF Data Storage Format Golden Helix DSF Delusion Digital Sound File Delusion DSK Desktop configuration BP - DN - BC++ - TP DSK Disk Drivers Novell NetWare DSK Logical disk file RT-11 DSM Digital Sound Module DSI DSN Design Object System Designer DSP Display parameters Signature DSP Dynamic Studio Professional Module Dynamic Studio DSP Graphics display driver Dr. Halo DSP Norton viewer DLL Win DSR Driver Resource WordPerfect for Win DSS Screensaver file DCC DSS Digital Speech Standard (Sound) Digital Soup DSS SQL Script for .Time Framework Exaktime DST WAIN (Scanner spec) data source DLL Win DSW Borland C++ 4.x desktop layout file BCW.EXE DSY DAISY container file ADAKTA.EXE DT_ Data fork of a Macintosh file Mac-ette DTA Data file Turbo Pascal - PC-File - Stata DTB Database Backup for .Time Framework Exaktime DTF Database file PFS - Q&A DTL Django template language http://www.djangoproject.com/ DTM DigiTrekker music module AWAVE DTO data Directory Toolkit output DTP Document Timeworks / greenstreet Publisher3 DTP Page Magic 2.0 publication Page Magic 2.0 DTP Publication Publish-It! DVC Data Lotus 1-2-3 DVDPROJ iDVD project file iDVD (Apple iLife '08) DVI DeVice Independent document TeX DVP DESQView run-file DESQView DVP Device parameter file AutoCAD DW2 Drawing DesignCAD for windows DWB Coryphaeus Software Designers Workbench CSD DWC Archive DWC DWD DiamondWare Digitized file AWAVE DWG Drawing AutoCAD, IntelliCAD, PowerCAD, Drafix, etc. DX Text file DEC WPS/DX format - DEC WPS Plus DXF Dialogue Exchange Format Exstream Dialogue DXF Drawing Interchange File Format vector graphics AutoCAD, IntelliCAD, PowerCAD, etc. DXN Fax Fujitsu dexNET DYN Data Lotus 1-2-3 [edit] E Ext. Description Used by E2D 2-dimensional vector graphics file Editor included in JFire EAS Extended file attributes OS/2 EAR Enterprise archive archive EBA Source code Emergence BASIC EBJ Error-checking object file Geoworks EBQ CITE standard electronic BQ exchange file EC Error checking preprosessed Goc source code Geoworks EC Source code Ecere SDK ECC Error-checking file dvdisaster ED5 EDMICS GCGW EDA Ensoniq ASR disk image AWAVE EDE Ensoniq EPS disk image AWAVE EDF European data format Medical timeseries storage files EDF Macrocom Online Kitchen-planer EDK Ensoniq KT disk image AWAVE EDL EDL Premiere EDQ Ensoniq sq1,2/ks32 disk image AWAVE EDS Ensoniq SQ80 disk image AWAVE EDT Default settings VAX Edt editor EDT Ensoniq TS disk image AWAVE EDT External editors definitions DN EDV Ensoniq VFX-SD disk image AWAVE EEB Button bar for Equation Editor WordPerfect for Win EFA Ensoniq ASR file AWAVE EFA Encrypted File Archive EFE Ensoniq EPS file AWAVE EFE Ensoniq EPS instrument file AWAVE EFK Ensoniq KT file AWAVE EFQ Ensoniq SQ1/SQ2/KS32 file AWAVE EFS Ensoniq SQ80 file AWAVE EFT Ensoniq TS file AWAVE EFT High resolution screen font ChiWriter EFV Ensoniq VFX-SD file AWAVE EFX Fax Everex EFax EGA EGA display font Ventura Publisher EKA Internal data files Borland's Eureka EL ELISP source code file Emacs lisp ELB Synergy/DE library ELC Compiled ELISP code Emacs lisp ELI Archive ELI ELT Event list text file Prosa EMD ABT Extended MoDule AWAVE EMF Microsoft Enhanced Metafile EML Stationery Template Outlook Express EMU Terminal emulation data BITCOM ENC Encoded file - UUENCODEd file Lotus 1-2-3 - uuexe515.exe ENC Music Encore END Arrow-head definition file CorelDRAW ENFF Extended Neutral File Format ENG Dictionary engine Sprint ENG English documentation ENG Graphics file (charting) EnerGraphics ENV Envelope or Environments ENV Enveloper macro WOPR ENV Environment file WordPerfect for Win EPD Publication Express Publisher EPI Document Express Publisher EPI Encapsulated PostScript graphic file EPS Encapsulated PostScript (Graphics format) CorelDraw - PhotoStyler - PMView - Adobe Illustrator - Ventua Publisher EQN Equation filE WordPerfect for Win ERD Entity Relationship Diagram graphic file Prosa ERL Erlang source code file ERM Entity Relationship Diagram model file Prosa ERR Compiler/linker error report ESH Extended Shell batch file ETH Document Ethnograph 3 ETF Encrypted Text File. Used in some security programs. ETW Proprietary format from EnterTech for the MagicSing/Mic Karaoke product line. Enter-Tech ETX Structure-enhanced text for some ascii text browsers EUI Ensoniq EPS family CD image AWAVE EVT Events descriptions EVY Document WordPerfect Envoy EWD Document Express Publisher for Windows EX3 Device driveR Harvard Graphics 3.0 EXC Exclude file for Optimize (do not process) (QEMM) QEMM EXC REXX source code file VM/CMS EXE Directly executable program DOS EXM MSDOS executable, system-manager compliant (HP calculator) HP calculator EXP Protected mode EXE by PharLap Software PharLap EXP Exports Library File VisualStudio EXT Extensions descriptions file EXX Intermediate file by MsgPut IBM LinkWay EZF Fax Calculus EZ-Fax [edit] F Ext. Description Used by F Archive FREEZE F Fortran language source code file (in fixed form) Many Fortran compilers F01 Fax perfectfax F03 Fortran language source code file (in free form) Many Fortran compilers F2R Farandole Linear Module Farandole F3R Farandole Blocked Linear Module Farandole F4 Fortran IV source code file F4A Audio for Adobe Flash Player F4B Audio Book for Adobe Flash Player F4P Protected Video for Adobe Flash Player F4V Video for Adobe Flash Player F77 Fortran language source code file (in fixed form) Many Fortran compilers F90 Fortran language source code file (in free form) Many Fortran compilers F95 Fortran language source code file (in free form) Many Fortran compilers F96 Fax Frecom FAX96 FAC see FACE FACE Usenix FACE graphics file FAM Famtasia Famicom image format Famtasia FAQ Frequently Asked Questions text file FAR Music format (Farandole Composer Module) Farandole FAS Macsyma compiled program FAX Fax (raster graphics in CCITT format) most Fax programs FBM Fuzzy Bitmap FC Spell checking dictionary Harvard Graphics 2.0 FCM Binary file patch file (forward compression) jlpak10.zip FD Declaration file Microsoft Fortran FD Field offsets for compiler DataFlex FD Front Door' resource files FD FDB Font Definition Block Ming library FDS fwNES Famicom Disk System image fwNES FDS Headerless Famicom Disk System image FDW Form F3 Design and Mapping FE Data Surface Evolver 3D surface FEB Button bar for Figure Editor WordPerfect for Win FEI Fatal Error Infotable Geoworks FES File produced when a fileless occurrence in 3D Topicscape is exported to Windows 3D Topicscape FF Intelligont FIAS format FF Outline font description Agfa Compugraphics FFE Front Fareast Famicom image format FFF Fax defFax FFI Atech FastFont (AllType) FFIVW File Format for the Interchange of Virtual Worlds FFT Dca/FFT Final Form Text text file (DisplayWrite) FFT DCA/FFT Final Form Text text file DisplayWrite FH3 Vector graphics Aldus FreeHand 3.x FH4 Vector graphics Aldus FreeHand 3.x FI Interface file Microsoft Fortran FIF Fractal Image Format file FIL Table Data Audit Command Language (ACL) FIL File template Application Generator FIL Filelist FIL Files list object file dBASE Application Generator FIL Mirror. FIL is the name given to the saved FAT by the mirror program included in some versions of DOS and in PCTools MS-DOS - FIL Overlay WordPerfect FIL File which was moved to the Virus Vault by AVG FILM Filmkey film file Filmkey Player FIN Print-formatted text file Perfect Writer - Scribble - MINCE FIO Aldus PhotoStyler graphics filter FIO Image PALS viewer DLL FIT File Index Table WindowsNT FIT see FITS FITS Flexible Image Transport System FIX Patch file FKY Macro file FoxPro FLA Adobe Flash files' basic format FLAC Audio codec, Audio file format FLAME Fractal configuration file Apophysis FLB Format library Papyrus FLC Animation format FLIC >320x200 AAPlay - Autodesk AniPro FLD Folder Charisma FLI Animation format FLIC 320x200 Autodesk Animator FLI TeX font library EmTeX FLM Film Roll AutoCAD/AutoShade FLP Flstudio project file Fruity Loops (FlStudio) FLT Data/file conversion filter (or overlay) Alsud, Microsoft Word FLT Filter file Micrografx Picture Publisher FLT MultiGen Flight FLT Support file - graphics filter Asymetrix ToolBook FLX Animation format FLX Compiled binary DataFlex FLV Flash video file Flash Video Player FM Database FileMaker Pro FM1 Spreadsheet format overlay Lotus 1-2-3 release 2.x FM3 Device driver Harvard Graphics 3.0 FM3 Spreadsheet Lotus 1-2-3 release 3.x FMB File Manager Button bar WordPerfect for Win FMF Font or icon file IBM LinkWay FMK Makefile Fortran PowerStation FMO Compiled format file dBASE IV FMT Format file dBASE IV - FoxPro - Clipper 5 - dBFast FMT Gate3 format file FMT Style sheet Sprint FMV Full Motion Video file FN3 Font file Harvard Graphics 3.0 FND Files searching properties Win95 FNI FileNet Native Document FileNet FNK FunkTracker music module AWAVE, FunkTracker FNM Fannie Mae Residential Loan Data (RLD) format for mortgage submission to DO/DU. Desktop Originator Fnn DOS screen text font - height nn pixels fntcol13.zip FNT Font file many FNX Inactive font Exact FO1 Font file Borland Turbo C FO2 Font file Borland Turbo C FOG Fontographer Database File Fontographer3.5 FOL Folder of saved messages 1st Reader FON Log of all calls Procomm Plus FON Terminate phonebook Terminate - Terminator - Telix FON Windows bitmapped font file Win FONT Font data unix FOP Freedom of the Press graphic file FOR Form WindowBase FOR Fortran language source file many FOT Installed Truetype font Windows Font Installer FOX Foxbase executable (precompiled .prg) FoxBase FP Final Page file FoxPro for DOS FP Tiff file TIFF/IT P1 FP Video file DVICO/TVIX MPEG1 video file FP3 Database FileMaker Pro FP4 Database FileMaker Pro FP5 Database FileMaker Pro FP7 Database FileMaker Pro FPC Catalog FoxPro FPD TMT Pascal compiled unit TMT Pascal FPM Configuration file FoxPro for MacIntosh FPT Foxpro memo field tables FoxPro FPU Configuration file FoxPro for Unix FPW Floorplan drawing FloorPLAN plus for Windows FPW Configuration file Visual FoxPro FR? Packed mail FTN software FR3 Renamed dBASE III+ form file dBASE IV FRF FontMonger Database file FontMonger FRG Uncompiled report file dBASE IV FRL GP-Forth library GP-Forth FRM Registration or other form FRM Report file dBASE IV - Clipper 5 - dBFast FRM Visual Basic Form Visual Basic FRO Compiled report file dBASE IV FRP Form PerForm PRO Plus - FormFlow FRS Screen Font Resource WordPerfect for Win FRT Additional (FPT) report description file FoxPro FRT GP-Forth source file GP-Forth FRX Main (DBF) report description file Visual FoxPro FRX Visual Basic binary program file Visual Basic FSA Applied Biosystems Genetic Analysis data file GeneScan FSIM Simulation File Format Loudsoft FSL Form Paradox for Windows FSM Farandole Composer WaveSample Farandole FSPROJ Habanero Firestarter project Habanero Firestarter FST Linkable program dBFast FSX Data Lotus 1-2-3 FTM Fielded Text Meta - Contains schema/Meta for a Fielded Text file Fielded Text FTM Font file Micrografx FTX Declared Fielded Text Fielded Text FTXT text Cloanto text document FTP Configuration FTP Software PC/TCP FW Database FrameWork FW2 Database Framework II FW3 Database Framework III FWEB Fortran WEB FX On-line guide FastLynx FXD Phonebook FAXit FXP Foxpro executable (precompiled .prg) Visual FoxPro FXS FAX Transmit Format graphics file WinFax FYF FileLoc FyTek, Inc. [edit] G Ext. Description Used by G Data chart APPLAUSE G16 GoldED for DOS compiled config GOLDED.EXE G3P data Grand Prix 3 car physics G8 Raw graphics file (one byte per pixel) plane three PicLab - Cubicomb Picturemaker GAM Fax GammaFax GB Game Boy ROM GB1 Game Maker backup file (can also be GB2, GB3, etc.) GBA Game Boy Advance ROM GBC Game Boy Color ROM GBL Global definitions VAXTPU editor GBL Global module in Basic programs GBR GIMP brush GC1 Lisp source code Golden Common Lisp 1.1 GC3 Lisp source code Golden Common Lisp 1.3 GCA IBM GOCA GCGW GCD Graphics GCD General content descriptor Wireless devices GCF Game cache file Steam content delivery system GD3 Game Doctor Super NES ROM image GDF General Data Format for Biomedical Signals Biomedical signal processing, Brain Computer Interfaces GDF Dictionary file GEOS GDF Geographical Data Format Various mapping software GDF IBM Graphics Data Format Legacy IBM systems GDL Data ArchiCAD model GDS McDonnell-Douglas Things GE GEcho config file GEcho GED GEDCOM Genealogy data exchange GED EDITOR's native file format Arts & Letters GED GoldED for DOS compiled config file GOLDED.EXE GED Graphics editor file EnerGraphics GED Game Editor Data / project file Game Editor GEM Vector graphics file GEM - Ventura Publisher GEN Compiled template dBASE Application Generator GEN Generated text Ventura Publisher GEO Geode Geoworks GEO GEOS specific file (application) GEOS GEO GoldED for OS/2 compiled config file GED2.EXE GEX GEcho config file GEcho GFB Compressed GIF image created by GIFBLAST gifblast.exe GFO SGI Radiosity GFT Font NeoPaint GFT GEM-translator font file GFX Instant Artist graphics Files Instant Artist GFX PCBoard @X-coded colorful text GFX2COM - GFX2EXE GHO Norton Ghost File (first file) Symantec GHS Norton Ghost File (split file) Symantec GIB Chart Graph-in-the-Box GIB GIMP animated brush GID Help index windows 95 help GIF Compuserves' Graphics Interchange Format (bitmapped graphics) QPeg - Display - CompuShow GIW Presentation Graph-in-the-Box for Windows GKH Ensoniq Disk Image (VFX, SD, EPS, ASR, TS) Ensoniq GKS Graphics Kernel System GL Animation format grasprt.exe, PV GL Animation GRASP GRAphical System for Presentation GLB Global module in Basic programs GLM Datafile Glim GLO Global module in Basic programs GLS Datafile Across GLY Winword Glossary Microsoft Word GM6 Game Maker Editable file as of version 6.x GMD Game Maker Editable file up to version 5.x GMF CGM graphics file APPLAUSE GMK Game Maker Editable file as of version 7.x GML Game Maker GML file GMOD Data Golgotha 3D model GMP Geomorph tile map SPX GMS Ghost Mouse Script GMS Gesture and Motion File Formats GMT data RFactor car physics GOC Goc source code file Geoworks GOE GOES graphic file GOH Goc header file Geoworks GP5 Guitar Pro 5 song Guitar Pro 5 GP Geode parameter file Geoworks Glue GP4 data Grand Prix 4 car physics GPH Graph Lotus 1-2-3/G GPK Omnigo program package GPX GPS eXchange Format GR2 Screen driver Windows 3.x GRA Datafile SigmaPlot GrADS Metafile GRASP Graphical System for Presentation GRB T-FLEX CAD file Top Systems GRB MS-DOS Shell Monitor file MS-DOS 5 GRD Drivers for GRX (graphics library) GRX (c) Free Soft. Found. GRE data Grenoble Thermal Ellipsoids Plot Program GRF Graph file Graph Plus - Charisma GRIB Gridded Binary GRN Drivers for GRX (graphics library) GRX (c) Free Soft. Found. GRP Group file Windows 3.x - Papyrus GRP Pictures group PixBase GRY Graphics format (RAW GREYz) GS1 Presentation GraphShow GS3 data GameStarter GSA data Microsoft Office Groove Space Archive GSD Vector graphics Professional Draw GSM Raw GSM 6.10 audio stream AWAVE GSW Worksheet GraphShow GTA data Microsoft Office Groove Tool Archive GUP ----- PopMail GV GrandView outline file GVO Data GFXFX Vector Object GWI Groupwise File Local saved Email GXL Graphics library Genus GZ Archive GNU zip - WinZipNT GZR data GunZ action replay [edit] H Ext. Description Used by H! On-line help file Flambeaux Help! Display Engine H! Pertext database HELP.EXE H-- C-- language header Sphinx C-- H Header file (usually C language) Watcom C/C++ H++ Header file C++ HA Archive HA HAL Data file Hyper Access Lite OS/2 HAM Disk Drivers NPA Novell NetWare HAM Hold And Modify Deluxe Paint image file HAP Archive HAP3 HBK MathCAD handbook MathCAD HC Header file HCG Document HCLab HCGS Document HCLab HDD data disk image HDD HotDisc Designer label HDF Amiga Hard Disk Image HDF Help file Help Development Kit HDF Hierarchical Data File graphics file SDSC Image Tools HDL Alternate download file listing Procomm Plus HDR Datafile Egret HDR Message header text Procomm Plus - 1st Reader HDR PC-File+ Database header HDR SPOT image file HDS Hierarchical Data System HDW Vector graphics Harvard Draw HDX Help index AutoCAD - Zortech C++ HDZ Amiga Zip compressed Hard Disk Image HEP Novell Help Librarian Data File Novell NetWare HEX Hex dump HFI HP Font Info file GEM HGL Highlight groups definitions DN HGL HP Graphics Language graphics file HH C++ header file HHH Precompiled header file Power C HHP Help information for remote users Procomm Plus HI Game high scores table HIN Molecule HyperChem HIS History of executing/viewing/editing DN HIS Yard Information File FYM HLB Help library VAX HLP Help file WinHelp, Help Explorer Viewer HLX Multi Edit help file MultiEdit 5.0 HLZ Multi Edit packed help file MultiEdit HMI Music format (MIDI) HMM Alternate Mail Read option menu Procomm Plus HMP Music format (MIDI) HMP Hump Setup File - Obsolete as of version 2.4 (See SET and SWT files) FYM HNC CNC program files Heidenhain (?) dialog HOF Hall Of Fame (game scores) HP Printout file for HP printers/plotters (HP/GL) HP8 ASCII text HP Roman8 character set NewWave Write HPF HP LaserJet fonts PageMaker HPG see HPGL HPGL Plotter file vector graphics (Hewlett-Packard Graphics Language) AutoCad - Harvard Graphics HPI Font information file GEM HPJ Help project Microsoft Help Compiler for Windows - HC.EXE HPK Archive HPACK HPM Alternate Main menu for privileged users Procomm Plus HPM EMM text HP NewWave HPM High Performance Map Quaestor 1.x HPP C++ header file Zortech C++ - Watcom C/C++ HPPCL Hewlett-Packard Printer Control Language HQX Archive (ASCII Mac) BINHEX HRF Graphics file (Hitachi Raster Format) HRM Alternate Main menu for limited/normal users Procomm Plus HRZ Graphics format SSTV HS2 Monochrome image Postering HSC 2-op FM music HSC tracker - hscplay.exe HSH Disk image hash file DriveSnapshot HSI Handmade Software Inc. graphics file almost JPEG Image Alchemy HST History file Procomm Plus HTM see HTML HTML Hypertext Markup Language (WWW) Netscape - Mosaic - many HTX Hypertext file HWD Presentation Hollywood HWP Hangul Word Processor Document Hangul (word processor) HXM Alternate Protocol Selection menu for all users Procomm Plus HXS Microsoft Help 2 compiled help file Microsoft Windows, Help Explorer Viewer HXX C++ header file HY1 Hyphenation algorithms Ventura Publisher HY2 Hyphenation algorithms Ventura Publisher HYC Data WordPerfect HYD Hyphenation dictionary WordPerfect for Win HYP Archive HYPER [edit] I Ext. Description Used by I Preprocessor output file Borland C Preprocessor IAM Assembly file Autodesk Inventor IAX Bitmap graphics (IBM Image Access eXecutive) IAX data InstallAnywhere.NET project IBG PDS graphic file IBM Archive (Internal IBM only) ARCHDOS ICA Bitmap graphics (Image Object Content Architecture) ICB Bitmap graphics ICC ICC configuration ICE Archive Cracked LHA (old LHA) ICM ICC configuration ICN ICON source code file ICO Icon file ICONEDIT.EXE ID Disk identification file IDB IDA database IDA IDB VC++ Minimum Rebuild Dependency File Visual C++ IDC IDA C language source IDA IDE Borland C++ 4.x IDE project BCW.EXE IDF MIDI instrument description IDS IDA imported names format IDA IDW Vector graphics IntelliDraw IDW Drawing file Autodesk Inventor IDX Index many - FoxPro IFD Form JetForm Design IFF Interchange Format File (IFF) EA Software - Convert (C) Villena - Amiga IFF Sun TAAC Image File Format SDSC Image Tool IFP Script KnowledgeMan IFS Fractal image compressed file Yuvpak IFS Installable file system OS/2 IGES Initial Graphics Exchange Specification IGF Inset Systems GCGW IHP Watcom help file whelp.exe IHS Inbound History Bink/+ IIW Power Point Image Importer Wizard IL hDC Designer Icon Lin Dll format ILB Data Scream Tracker ILG data LaTeX Index Generation log ILK Outline of program's format Microsoft ILink incremental linker IM Auran Jet indexed mesh file Trainz IM8 Sun raster graphics file IMA Mirage vector graphics EGO - Chart - Autumn IMG ADEX graphic file IMG Disk Image NC 5.0 IMG GEM bitmapped graphics file Ventura IMG Image for Windows/Image for DOS Disk image TeraByte, Inc. dba TeraByte Unlimited IMG Vivid IMG file IMI image Magellan Meridian map IMI image Magellan eXplorist map IMP Spreadsheet Lotus Improv IMQ Image presentation ImageQ IN$ Installation file HP NewWave IN3 Input device driver Harvard Graphics 3.0 INB Test script Vermont HighTest INC Include file several programming languages IND Data Index dBASE IV INDD InDesign Document Adobe InDesign INF Information text file (ASCII) INF Install script INF OS/2 hypertext help system file VIEW.EXE INF Type 1 LaserJet font information file soft font installers INFO GNU info reader (output from texinfo) unix INFO Icon Data (Amiga) INGR Intergraph Raster File Format INI Initialization file INK Pantone reference fills file CorelDRAW INS Data WordPerfect INS Ensoniq Instrument File Ensoniq INS Installation script 1st Reader INS Instrument music file (Adlib) INT Borland Interface Units INT Program saved in Internal (semi-compiled) format Signature INT Source of Borland interface module INX Index Foxbase IO Archive CPIO IOB 3d graphics database in TDDD format IOC Organizational chart Instant ORGcharting! ION 4DOS descript.ion file (file descriptions) 4DOS IP Immortal Player file Immortal Player IPC Intellitec Program Configuration - used to configure vehicle electronics Intellitec IPF Interchangeable Preservation Format http://softpres.org/glossary:ipf IPG iPod game file iTunes and iPod IPH Hi-Res Image InterPaint IPL Pantone Spot reference palette file CorelDRAW IPS IPS Patching Format (International Patching System) Rom hacking community IPT Part file Autodesk Inventor IPT MultiColor Image InterPaint IRS Resource (WordPerfect) standard.irs WordPerfect IRT Data IRIT 3D model IRTR Graphicon-2000 Interactive Real-Time PHIGS ISD Spelling Checker dictionary RapidFile ISH Archive ISH ISMA Output Video file Islam Abusa'a Software ISO ISO-9660 table IST Digitrakker Instrument File AWAVE IT Impulse Tracker music file Impulse Tracker IT Settings intalk ITF Interface file JPI TopSpeed Pascal ITL iTunes music library ITN Itinerary file TomTom PNDs ITT IconTweaker Theme IV SGI Inventor IV-VRML Inventor VRML Format IVE OpenSceneGraph 3D model IVI Image file ImmerVision IVL Lensflare file ImmerVision IVP Panorama file ImmerVision IVU User Interface file ImmerVision IW Presentation flowchart IconAuthor - HSC InterActive IWA Text file IBM Writing Assistant IWD Call of Duty Map - Game Data Archive Activision, Inc. IWP Text file Wang IX data dtSearch index IZT Izl binary token file IZL [edit] J Ext. Description Used by J2C JPEG 2000 image JAM Jam messagebase FTN software JAM Jam music score Jam JAR Archive JAR. Java Games and Applications JAS see JASC JASC Graphics format (JASC) JAV see JAVA JAVA Java source code file JBD Datafile SigmaScan JBIG Joint Bilevel Image Group JBX Project file Project Scheduler 4 JCN JobClock.Net Synch File JET Fax Hybrid JetFax JFF see JFIF JFIF JPEG File Interchange Format JIF see JFIF JMS Music format (JMusic file) UltraForce JOB Gravostyle engraving pattern file Gravostyle/Gravograph JOB QUEUE output file RT-11 JOR Journal file SQL JOU Journal backup VAX Edt editor JP2 JPEG 2000 image JPC Graphics Japan PIC JPEG Joint Photography Experts Group graphics file format QPeg - FullView - Display JPG see JPEG JRE Java Runtime Environment Java JRN JMP journal JMP JSP Java Server Pages JS JScript script file Javascript JTF Fax Hayes JT Fax JTF Graphics (TIFF file with JPEG compression) JVX Data JavaView object JW Text document JustWrite JWL Library JustWrite JZZ Spreadsheet Jazz [edit] K Ext. Description Used by K2A Data Prince of Persia 3D object K3D Description of macro language 3DS 3DS KAP Map Info Sea Chart KAR Music format (Karaoke) KAR Precompiled .prg for KARAT Rus. FOX+ 2.0 KB Keyboard script Borland C++ 4.5 KB Program source Knowledge Pro KBASIC Source KBasic KBD Keyboard mapping LogoScript - Signature - Procomm Plus KBM Keyboard mapping Reflection 4.0 KCL Lisp source code Kyoto Common Lisp KDC Kodak Digital Camera (graphics) PhotoEnhancer by PictureWorks KEP (unknown) (unknown) KEX Kedit Macro File Kedit KEY Datafile Forecast Pro KEY Keynote presentation file Keynote (Apple iWork '08) KEY Keyboard macros KEY OS/2 archive .key-file (i.e. OS2.KEY) OS/2 KEY Security file eg. Shareware Registration info KFX Kofax Group GCGW KIT Power Chords drum kit file Power Chord KMC KatzReview's MegaCrammer KML Kedit Macro Library / Keyhole Markup Language Google Earth KMY data KMyMoney KMZ Keyhole Markup Language (Zip compressed) Google Earth Knn Database key file Clarion KNO Personal Knowbase data file Personal Knowbase KPL source code Phrogram KPP Toolpad SmartPad KPS IBM KIPS bitmap graphics KR1 Kurzweil 2000 sample file AWAVE KR2 Kurzweil 2000 sample file AWAVE KRZ Kurzweil K2000 File Kurzweil KS Source code KonsolScript KS3 Data 3D Forgastest Editor object KTU Know The Unknown Online Service Packs Unknownsoft KYB Keyboard mapping FTP Software PC/TCP [edit] L Ext. Description Used by L LEX source code file L Linker directive file WATCOM wlink L LISP source code file LA0 Datafile SCUMM index file LAB Datafile NCSS - SOLO LAB Mailing labels Q+E for Microsoft Excel LAN Erdas image file LAN LAN Drivers Novell NetWare LAY Word chart layout APPLAUSE LBG Label generator data dBASE IV LBL Label dBASE IV - Clipper 5 - dBFast LBM Graphics format (Amiga) Pic-view - Deluxe Paint LBM Linear bitmap graphics XLib LBO Compiled label dBASE IV LBR .LBR Archive forCP/M and MS-DOS using the LU program LBR Display driver Lotus 1-2-3 LBT Additional (FPT) label description file FoxPro LBX Main (DBF) label description file FoxPro LCF Linker Control File Norton Guides compiler LCH Chart IBM Works for OS/2 LCK Lockfile Paradox LCL Data (FTP Software PC/TCP) LCL Data FTP Software PC/TCP LCN Lection WordPerfect LCS Datafile ACT! History Files LCW Spreadsheet Lucid 3-D LD Long Distance codes file Telix LDA Absolute binary file (load image) PDP-11, RT-11 LD1 Overlay file dBASE LDB Data filer database IBM Works for OS/2 LDB Overlay file Microsoft Access LDF Data filer form IBM Works for OS/2 LDF Library definition file Geoworks Glue LE DOS/4GW executable image DOS/4GW PM 32X DOS Extender LES Lesson (check *.cbt) LEV Level file NetHack 3.x LEX Dictionary Microsoft Word - Lexicon LFL LucasArts resource file LFD LucasArts resource file LucasArts games LFT Laser printer font ChiWriter LG Logo procedure definitions LSRHS Logo LGO Logo for header and footer SuperFax LGO Startup logo code Windows 3.x LHA Archive LHA/LHARC LHW Amiga archive LHWARP LIB Library file several programming languages LIC License file used by some programs to put their license on disk LIF Archive LIF CA Clipper packed file CA Clipper installer LIF Logical Interchange Format data file Hewlett-Packard LIM Archive LIMIT LIN Line types AutoCAD LIS Listing VAX LIT Web3D File Web3D LIX Log file (history) Audit Command Language (ACL) LJ Text file for HP LJ II printer LL3 LapLink III related file (document) LapLink III LM Auran Jet LOD mesh table (text file to control LODs) Trainz LMP Demo for Doom (computer 3d game) Doom - Doom2 LNG Language definition file LNK Linker response file .RTLink LNK Linker script LNK Windows 95 shortcut Windows 95 LNK Windows XP shortcut Windows XP LOD Load file LOG Log file Numerous systems LOM 3D Model Lock On: Modern Air Combat LPC Printer driver TEKO LRC Lyrics data LRF Linker response file Microsoft C/C++ LRF Unencrypted BroadBand eBook file Sony Librie eBook reader LRP Report IBM Works for OS/2 LRS Language Resource File WordPerfect for Win LRX Encrypted BroadBand eBook file Sony Librie eBook reader LSA Lightscape Technologies ASCII LSB Lightscape Technologies Binary LSP LISP source code file Xlisp, AutoLISP LSS Spreadsheet Legato - IBM Works for OS/2 LST Aus. BOM Hourly weather Data LST Filelist FRQView LST Keyboard macro 1st Reader LST List file (archive index - compiler listfile) LST Listing (e.g. source code) LST Map list Holux - Alan LST Spool file Oracle LST SLP output file RT-11 LTA Data LithTech ASCII 3D object LTM Form (Lotus Forms) Lotus LUA Lua script file TecGraf/PUC-Rio LWD Text document LotusWorks LWOB Lightwave Object Format LWP Word processor IBM Works for OS/2, Lotus Wordpro LXF Lego Exchange Format Lego Digital Designer data file LYR Lyrics (ASCII) LZ Archive Lzip LZD Difference file for binaries LDiff 1.20 LZH Archive LHA/LHARC LZS Archive LARC LZW Archive LHWARP [edit] M Ext. Description Used by M MATLAB M-File MATLAB M4A Advanced Audio Coding MAI Mail VAX MAK Makefile MAK Project file VB - VC ++ MAN User guide (manual) MAP Color palette file MAP Format data Micrografx Picture Publisher MAP Linker map file MAP Map file (usually created by compilers) MAP Map Atlas MapMaker MAP Network map AccView MAP Game map for Duke Nukem 3D MAR Assembly program VAX Macro MAR Microsoft ARchive MSN Explorer (possibly other Microsoft products too) MAR Mozilla ARchive Mozilla Updater (used to house binary updates to products) MAS SmartMaster set Freelance Graphics MAT Data MatLab MAX MAX source code file MB Memo field values for database Paradox MBK Multiple index file backup dBASE IV MBX Mailbox data Eudora/ZERBERUS MCC Configuration file Mathcad MCD MathCad file MathCad MCF Font file Photo book or photo calendar layout file Mathcad FotoInsight Designer MCI MCI command script Media Control Interface MCL Multi Edit macro library Multi Edit MCL Cartesian manipulator for laser systems MCP Application script Capsule MCP Printer driver Mathcad MCW Text file MacWrite II MDL Quake 1 Model File id Software MD2 Quake 2 Model File id Software MD3 Quake 3 Model File id Software MD5 Doom 3 and Quake 4 Model File id Software MD Archive mdcd10.arc MDA Data Microsoft Access MDA Microsoft Access system database Microsoft Access MDB Microsoft DataBase Microsoft Access MDF Several uses MDL Model 3D Design Plus or Simulink MDL Spreadsheet CA-Compete! MDM Modem definition file TELIX MDR Microdrive file ZX Spectrum emulator by g.a.lunter MDS Midi Session Sound Imp. MDT Data table Microsoft ILink incremental linker MDX Multiple index file dBASE IV MDZ Text description of music module Cubic Player - Cross-View ME MultiEdit configuration MultiEdit ME Text file READ.ME MEB Macro Editor bottom overflow file WordPerfect Library MEC MECCA source Maximus MED Macro Editor delete save WordPerfect Library MED Music format MED/OctaMED MEM Macro Editor macro WordPerfect Library MEM Memory variable save file dBASE IV - FoxPro - Clipper MEM Memos datafile Clarion MEQ Macro Editor print queue file WordPerfect Library MER Macro Editor resident area (vakioalue) WordPerfect Library MES Macro Editor work space file WordPerfect Library MES Message MET Document Omnipage Pro MET Macro Editor top overflow file WordPerfect Library MET OS/2 graphics metafile PICVIEW.EXE MEU Menu group DOS Shell MEX Macro Editor expound file WordPerfect Library MEX MEX file (executable command) Matlab MF Metafont file TeX MFA Source code file Multimedia Fusion 2 / The Games Factory 2 MFF MIDI Cakewalk, MTPro 4 MFM Music format DMP MGF Font Micrografx MGF Materials and Geometry Format MGX Designer 4.1 Drawing Designer 4.1 MHT Web Archive Single File MIB Snmp MIB file MID Standard MIDI file music synthetizers MIDI See MID MIFF Magick Image File Format MII Datafile MicroStat-II MIME Message in MIME format (RFC822) MIO MyInfo topic Milenix MyInfo MIS Mission, used by many games MIX Object file Power C MK Makefile MK Makefile MK Usually makefile MKE Makefile Microsoft Windows SDK MKG Makefile MKI Graphics format (Japan MKI) MKI Japanese graphics MAKIchan format MagView 0.5 MKS Data TACT MKV Matroska Multimedia Container Media Player Classic, Windows Media Player, Matroska Splitter ML3 Project Milestones 3.x MLB Macro library file RT-11, Symphony MLI 3DS Materials Libraries 3D Studio MLRAW Data Moonlight Creator RAW format 3D object MLV LabVIEW MathScript MM Text file MultiMate Advantage II MMF Mail message file Microsoft Mail MMM Multimedia movie file, RIFF RMMP format MacroMind Director 3.x MMO Memo writer file RapidFile MMP Output video format from Bravado board MND Menu source AutoCAD Menu Compiler MNG Map DeLorme Map'n'Go MNT Additional (FPT) menu description file FoxPro MNT Menu memo FoxPro MNU Advanced macro file HP NewWave MNU Menu AutoCAD Menu Compiler - Norton Commander - Signature MNU Microsoft Mouse menu (for DOS apps) MNX Compiled menu file AutoCAD MNX Main (DBF) menu description file FoxPro MNY Account book Microsoft Money MO? Packed mail FTN software MOB Device definition file PEN Windows MOBI eBook Mobipocket MOD Modula language source MOD MODULA-2 source code file Clarion Modula-2 MOD Module -- used by Windows for DLL which implement DOS support Win MOD Music format (Amiga module) DMP - ST - MDP - VP MOL MOD4WIN PlayList Mod4Win MOL MDL Molfile RasMol MOL2 Tripos’ Sybyl MOL2 Format SYBYL, RasMol MON SYSGEN monitor build procedure RT-11 MON Monitor description ReadMail MOP MOPAC input file MOPAC, RasMol MOV Animation format (Mac) QuickTime MOV Movie file AutoCAD AutoFlix MP2 Mpeg audio file xing MP3 MPEG audio stream, layer 3 AWAVE, CoolEdit(+PlugIn) MP4 multimedia container format, MPEG 4 Part 14 MPA MPEG audio stream, layer 1,2,3 AWAVE MPC Calendar file Microsoft Project MPC Musepack audio MPEG multimedia containter format, video, audio MPEG Player MPG see MPEG MPKG Multipackage installer script Mac OS X MPL MediaRack Midi Playlist MediaRack MPM MathPlan macro WordPerfect Library MPP Project file Microsoft Project MPQ Mo'PaQ Archive Blizzard games MPR Generated executable menu file FoxPro MPT Bitmap graphics (Multipage TIFF) MPV View file Microsoft Project MPX Compiled executable menu file FoxPro MPX Video format MRB Multiple Resolution Bitmap graphics file Microsoft C/C++ MRK Windows User Benchmark Win95 MRS Macro Resource file WordPerfect for Win MS Microsoft antivirus report MSAV MSC Microsoft C makefile MSI Windows Installer Package Windows Operating Systems MSDL Manchester Scene Description Language MSG Message base (e.g. HMB) MSG Message text file (ASCII) MSG ZVoice digitized voice file MSE Set file Magic Set Editor MSO Microsoft Word OLE Web Page Storage Stream Microsoft Office MSP Bitmap graphics file Microsoft Paint MSP Graphics format Microsoft Paint MSPRODUCER Media Project Microsoft Producer (for Microsoft PowerPoint XP/2003) Project MSQM data Microsoft Message Queuing MSN Project National Instruments for NI MultiSim-Electronic Circuit simulator MSS Manuscript text file Perfect Writer - Scribble - MINCE - Jove MST Document MS Test MST Minispecification file Prosa MST Setup script file Microsoft Windows SDK MSW Text file Microsoft Word MSX CP/M archive MSX MTH Math file Derive MTL Wavefront MTM Music format MultiTracker MTS Master Track Pro Files MTPro 4 MTS data F1 2001, F1 2002 and F1 Challenge 1999 - 2002 car physics (All from the EA Sports F1 Series) MTV MTV Ray Tracer graphic file MTW Datafile Minitab MU Quattro pro for DOS Menu definition file Quattro Pro MUS Finale music document. Finale MUS Music format (MIDI in Doom) MUS Sound file MusicTime MUZ Hover Game MIDI File Windows' Hover! Game [1] MVF Stop frame file AutoCAD AutoFlix MVI Movie command file AutoCAD AutoFlix MVO Data Mad Virgin 3D object MVW Log file Saber LAN MWF Animation ProMotion MWS MWave DSP synths instrument AWAVE MXF Material exchange format (RFC 4539, SMPTE 377M) MXL PackRat 5.0 support DLLs PackRat 5.0 MXM Material Maxwell Render MXP Adobe Extension File Adobe Dreamweaver and Adobe Flash MXP 3ds Max Configuration File 3ds Max MXP MasterCook exported recipe MXT Data Microsoft C MYP Presentation MM Make Your Point MZ Binary-format Map MazeEdit MZE Text-format Map MazeEdit MZG Binary-format Map Collection MazeEdit MZX Binary-format Encrypted Map MazeEdit [edit] N Ext. Description Used by NAM Name Space Modules Novell NetWare NAP Naplps file (VideoShow) EnerGraphics NAPLPS North American Presentation Layer Protocol Syntax NB Text file Nota Bene NB Wolfram Mathematica Notebook Mathematica NC Graphics netcdf NC Instructions for NC (Numerical Control) machine CAMS NC Non-error checking preprosessed Goc source code Geoworks NCC CNC (Computer Numeric Control) control file CamView 3D NCD Norton Change Directory support file Norton Commander NCP Re-volt Collision file Re-volt NDB Network database Intellicom - Compex NDS Nintendo DS ROM file used for Homebrew and commercial (Game) files on DS NDL Nodelist file NDX Index file dBASE II - III - IV - dBFast NEO Raster graphics file Atari Neochrome NES iNES ROM image format NET Network configuration/info file NEU Pro/Engineer neutral file format PTC Pro/Engineer netCDF Network Common Data Format NEW New info NFF Haines Neutral File Format NFF WorldToolKit Neutral File Format NFO Folioview database NFO Help format Nextpage Folio NFO Info file Compact NFO Viewer NG Hypertext Database Norton Guide NGO NG linker object file NGML NGS NG compiler source file NGC NIF netimmerse/gamebyro file NIL NIL Icon Hear-It NITF National Imagery Transmission Format NK2 e-mail address autocomplete archive Microsoft Office Outlook NL Norton Desktop Icon Library NLM Netware loadable module Novell Netware NLS National Language Support file MS-DOS NLX Form FormWorx 3.0 nnn Arj archive volumes up to 999 ARJ nnn Netware unicode rule table (e.g. 1250_Uni.036) Novell Netware nnn News about smth with ext. of ver. number nnn RAR archive volumes up to 999 RAR NOT Notation NOT Yard Notes File FYM NP Project schedule (Nokia Planner) Nokia Planner NPI Source for DGEN.EXE interpreter dBASE Application Generator NPJ Nile Project Game Mission Editor NRG Nero Disc Image File Nero Express / Burning ROM NRW Nikon Coolpix RAW image Nikon NSA media Nullsoft Streaming Audio NSF database Lotus Notes NSS Norton screensaver module NC - NDW Screen Saver NST Music module Amiga Noise Tracker NSV media Nullsoft Streaming Video NSX Compound index file SuccessWare SIX 3.00 NT Startup files Windows NT NTF database design template Lotus Notes NTH Nokia Theme File Nokia PC Suite NTR Executable ASCII text file (strip header and rename) netrun31.zip NTS Executable ASCII text file (strip header and rename) netsend1.zip NTS Tutorial Norton NTX Database index file Clipper 5 NUF Message for new users on their 1st call Procomm Plus NUMBERS Numbers spreadsheet file Numbers (Apple iWork '08) NWS Info text file (latest news) (ASCII) NXT Sound (NeXT format) [edit] O Ext. Description Used by O$$ Outfile Sprint O Object file UNIX - Atari - GCC O01 Typhoon vOice file AWAVE OAZ Fax NetFax Manager OB Object cut/paste file IBM LinkWay OBD Microsoft Office Binder MSOffice OBJ Compiled machine language code OBJ Object code Intel Relocatable Object Module OBJ Wavefront Object OBJF Data Triangle strips object OBR Object browser data file Borland C++ OBS Script ObjectScript OBT Microsoft Office Binder Template MSOffice OBV Visual interface ObjectScript OBZ Microsoft Office Binder Wizard MSOffice OCF Object Craft File Object Craft OCD OCAD Map File OCAD OCR Incoming fax transcribed to text FAXGrapper OCT Musical file Pctalizer OCX New Custom Control's format in VB 4.0 Visual Basic OCX OLE custom control ODB OpenDocument database ODF OpenDocument formula ODG OpenDocument drawing ODIF Open Document Interchange Format ODL Object Description Language ODL Type library source Visual C++ ODM OpenDocument master document ODP OpenDocument presentation OpenOffice.org Impress ODS OpenDocument spreadsheet ODT OpenDocument text document OFD Form definition ObjectView OFF Object File Format vector graphics file OFF Object File Format vector graphics OFM PostScript font description file OFN Microsoft Office documents Microsoft Office OGG Ogg multimedia container format OHB Source On Hand Basic OHS Outbound History Bink/+ OIF QuickBase file format OKT Music (8 channels) Oktalyzer OKT Music format Oktalyzer OLB Object library VAX OLD Backup file OLI Text file Olivetti OLSR Configuration file olsrd OMA Audio file Labelgate CD 2, MAGIQLIP2 OOF Data Outrage 3D Object Format (Descent) OOG Data WEBOOGL 3D object OOM Swap file Shroom OPJ Origin Project File Origin version 4.1 and later OPN Active options Exact OPT Options name used by many programs for configuration information OPT Delphi project options Borland Delphi OPT Optimize support file QEMM OPW Organization chart Org Plus for Windows OPX Inactive options Exact ORA Parameter file Oracle ORG Calendar file Lotus Organizer ORG Older Origin Project Origin versions 4 or earlier OTG OpenDocument drawing template OTB Over-the-air bitmap graphics OTH OpenDocument HTML document template OTL Outline font description Z-Soft Type Foundry OTL Ventura Publisher's Type Foundry Outline Editor format OTP OpenDocument presentation template OTS OpenDocument spreadsheet template OTT OpenDocument text document template OTX Text file Olivetti Olitext Plus OUT Output file OV1 Overlay file (part of program to be loaded when needed) OV2 Overlay file (part of program to be loaded when needed) TomTom Point of Interest OVD Datafile ObjectVision OVL Overlay file (part of program to be loaded when needed) OVR Overlay file (part of program to be loaded when needed) OXT OpenOffice.org extension OpenOffice.org [edit] P Ext. Description Used by P Database PROGRESS source code PROGRESS P PASCAL source code file P Parser source code file P Picture file APPLAUSE P Rea-C-Time application parameter file ReaGeniX code generator P0? Split archive UC2 SAS.EXE P10 Tektronix Plot GCGW P10 Certificate Request P12 Personal Information Exchange "Crypto Shell Extensions" P16 Music (16 channels) ProTracker Studio 16 P22 Patch file (Patch22) Patch22 p2v Backupfile of a project in eventplanning software plan2viz (windowsbased) of www.3d-in-berlin.de Homepage P3T Playstation 3 Theme file PS3 Theme settings menu PA1 Worktable PageAhead PAC SBStudio II Package or Song SBStudio II PAC STAD Image (graphics ?) PACK PAD Automatic print definitions Produa PAD Keypad definition Telemate PAF For Personal Ancestral File data files PAGES Pages document file Pages (Apple iWork '08) PAK Archive Pak PAL Palette file Microsoft Draw - Win. Paintbrush - many PAN Printer-specific file (copy to coreldrw.ink) CorelDRAW PAR Parameter file Fractint PAR PARTS application Digitalk PARTS PAR Permanent output file Windows 3.x PAR Parity Archive PAR2 Parity Archive v2 PART Part of a download file PAS Pascal language source Borland Pascal PAT Gravis Ultrasound Patch Convert (c) Villena PAT Hatch patterns AutoCAD - Photostyler PAT Vector fill files CorelDRAW PAT Pattern File Photoshop PAT GIMP pattern PB Fax FAXability Plus PB Phonebook WinFax Pro PB Proboard Conf. files Proboard PB Setup file PixBase PB1 Document First Publisher for Windows PBA Powerbasic BASIC source code Genus PBD Phone book FaxNOW! - Faxit PBD Molecule (protein data bank) PBI Powerbasic include file Genus PBI Profiler Binary Input Microsoft Source Profiler PBK Microsoft Network Phone book MSN PBL Powerbasic library Genus PBM PBM Portable Bit Map graphics format Jasc Media C. PBM Planar bitmap graphics XLib PBO Profiler Binary Output Microsoft Source Profiler PBT Profiler Binary Table Microsoft Source Profiler PC Text file containing IBM PC specific info PC3 Custom palette Harvard Graphics 3.0 PC8 ASCII text IBM8 character set NewWave Write PCA Perfect Clarity Audio Sony Vegas Pro PCB P-CAD database P-CAD, PCBExpress, and other Printed Curcuit Board design software PCC Cutout picture vector graphics PC Paintbrush PCD Graphics format (Kodak Photo-CD) PCD Kodak Photo-CD Image graphics file (768x512) hpcdtoppm PCF Pixel Coordination Format PCH Patch file PCH Precompiled header Microsoft C/C++ PCJ Multimedia authoring tool graphics file IBM's Linkaway-Live PCK Pickfile Turbo Pascal PCL HP-PCL graphics data file HP Printer Control Language PCM OKI MSM6376 synth chip PCM AWAVE PCM PCM Authorware PCS Microsoft PowerPoint picture package Microsoft PowerPoint - Microsoft ClipArt Gallery PCT Bitmap graphics file Macintosh b&w PICT1 - color PICT2 PCW Text file PC Write PCX PC paintbrush bitmap format QPeg - Display - ZSoft - PC Paintbrush PDA Bitmap graphics PDB Data TACT PDB Packrat 5.0 data file Packrat 5.0 PDB Molecule (protein data bank) PDD Adobe Photoshop Elements Image Adobe Photoshop Elements PDE Pathology Data Exchange PDE data PowerDesk Encrypted PDF Adobe's Portable Document Format Adobe Acrobat Reader PDF Graphics file (ED-SCAN 24bit format) PDF Package Definition File PDF PCAD Database Interchange Format Pdifin.exe - Pdifout.exe PDF Print device information Netware PDG Print Shop Deluxe data file PDI Portable Database Image PDL Project Description Language file Borland C++ 4.5 PDM Program Deskmate PDM PowerDesigner's physical data model (relational model) file format PowerDesigner PDM Visual Basic (VB) Project Information File Visual Basic PDN Image file Paint.NET PDS PALASM Design Description PDS Pds graphics PDS Planetary Data System Format PDS Pldasm source code file (hardware assembly) PDV Printer driver Paintbrush PDW Document Professional Draw PEB Program Editor bottom overflow file WordPerfect Library PED Program Editor delete save WordPerfect Library PEM Program Editor macro WordPerfect Library PEQ Program Editor print queue file WordPerfect Library PER Program Editor resident area WordPerfect Library PES Program Editor work space file WordPerfect Library PET Program Editor top overflow file WordPerfect Library PEX Proboard EXecutable file (Executed from PB) Proboard PFA PostScript Font File PFA Type 3 font file (unhinted PostScript font) PFB Adobe Acrobat document Adobe Acrobat Reader PFB PostScript font Adobe Type Manager (ATM) PFC Text file First Choice PFK Programmable function keys XTreePro PFM Windows Type 1 font metric file PFS Database (PFS:FILE) - text file (PFS:Write) PFS PFT Printer font ChiWriter PG Page cut/paste file IBM LinkWay PGI Printer Graphics File device driver PGRAPH library PGL HP Plotter vector graphics format PGM Graphics format (Portable GrayMap) JASC Media C. PGM Program Signature PGP Support file Pretty Good Privacy RSA System PGS Manual page man4dos PH Optimized .goh file Geoworks PH Perl header file PH Phrase-table Microsoft C/C++ PHD PolyHedra Database PHM Phone book DN - Lync PHN Phone list UltraFax - QmodemPro PHO Phone database Metz Phone for Windows PHP PHP file PHP3 PHP 3 file PHP4 PHP 4 file PHR Phrases LogoScript PIC 123 Vector graphics format CShow - Alchemy - Paint (Pictor) PIC Bitmap graphics file Macintosh b&w PICT1 - color PICT2 PIC Lotus picture PIC PIXAR picture file SDSC Image Tool PICT Macintosh Picture PIE GlovePIE script file GlovePIE PIF OS/2 graphics metafile PICVIEW.EXE PIF Program Information File Windows 3.x PIF Vector graphics GDF format file (IBM mainframe computers) PiM Pascal Text Mode Image File The Ultimate Draw PIT Compressed Mac file archive created by PACKIT unpackit.zoo PIV Pivot Stick Animator file Pivot Stick Animator PIX Alias image file SDSC Image Tool PIX Inset Pix PJ Project CA-SuperProject PJT Additional (FPT) project description file FoxPro PJX Main (DBF) project description file FoxPro PK PacKed bitmap font bitmap file (TeX DVI drivers) PK2 Quake 2 data file id Software PK3 Quake 3 data file id Software PK4 Doom 3 and Quake 4 data file id Software PKA Archive PKARC PKG Installer script Next, Mac OS X, Sony PS3 PKG P-CAD database P-CAD PKT Fido message packet FTN software PL Palette Harvard Graphics PL Perl source code file PL Prolog source code file PL Property List font metric file TeX PL1 Room plan 3D Home Architect PL3 Chart palette Harvard Graphics 3.0 PLA Playlist PLB FoxPro library FoxPro PLB P-CAD library P-CAD PLC Add-in file (functions - macros - applications) Lotus 1-2-3 PLC P-CAD database P-CAD PLD PhotoLine Document PhotoLine image processing PLE Encrypted Chat Log Messenger Plus! Live Plugin - Log viewer PLIST Mac OS Property List Apple's Property List Editor PLL Prelinked library CA Clipper PLM DisorderTracker2 music module AWAVE PLN Spreadsheet WordPerfect for Win PLP Playlist PLP Messenger Plus! Sound Pack Messenger Plus! Live Plugin PLSC Messenger Plus! Script Pack Messenger Plus! Live Plugin PLSK Messenger Plus! Skin Pack Messenger Plus! Live Plugin PLT HPGL plotter file vector graphics AutoCAD PLT Output file for ploter PLT P CAD: Output file editor for PCPLOT or PCPRINT P CAD PLT Page Magic 2.0 paper format Page Magic 2.0 PLT Palette PLT Table for .pll CA Clipper PLY Data PopMail PLY Presentation screen Harvard Spotlight PLY2 Data PLY2 object PLY ZipPack PM Auran Jet progressive mesh file (obsoleted by IM and LM) Trainz PM Perl module PM Bitmap graphics Presentation Manager PM3 PageMaker 3.0 data file PageMaker 3.0 PM4 Document PageMaker 4 PM5 Aldus PageMaker 5.0 publication Aldus PageMaker PMC Graphics A4TECH Scanner PMI OS/2 V3 SVGA PMI-File Svga.exe PMI PhatPad note PathWare PMM Program file Amaris BTX/2 PMP PhotoMorph Project PhotoMorph PN3 Printer device driver Harvard Graphics 3.0 PNG Portable Network Graphics PNF Pre-compiled Setup Information file Microsoft Windows PNM PBM Portable aNy Map graphics file PNT Macintosh painting PNT Pointlist segment FTN software PNT QWK reader pointer file MarkMail 2.x POH Optimized .goh file Geoworks POL InnovMetric Software Polygon Models Format POLICY Group Policy File Microsoft Windows POLY Data Patrick Flynn's Poly Format - 3D object POP Messages index PopMail POP Pop-up menu object dBASE Application Generator POT Microsoft PowerPoint template POV Raytraced graphics image Persistence Of Vision POW Power Chords instrument/song file Power Chords PP Amiga archive POWERPACKER PPA Microsoft PowerPoint Add-in PPB Button bar for Print Preview WordPerfect for Win PPD PostScript printer description file PPJ Premiere Project Premiere PPK Archive (using for many distributives) PPK PPL PolaroidPalettePlus ColorKey device driver Harvard Graphics 3.0 PPM Graphics format (Portable PixelMap) JASC Media C. PPO Preprocessor output CA Clipper 5.* PPP Publication PagePlus PPS Storyboard Personal Producer PPS Microsoft PowerPoint Slideshow (stand alone slideshow) PPT Microsoft PowerPoint Presentation Microsoft PowerPoint PPTX Office Open XML Presentation PR1 Packrat 4.0 data file Packrat 4.0 PR2 Packrat 4.x data file Packrat 4.x PR2 Presentation Aldus Persuasion 2.x PR2 Printer driver dBASE IV PR3 PostScript printer driver dBASE IV PR3 Presentation Aldus Persuasion 3.x PRD Printer driver PRE Presentation Freelance Graphics PRE Settings Programmer's WorkBench, Microsoft C/C++ PRE Stork graphic file PRF CheckIt Pro v1.0 data file CheckIt Pro 1.0 PRF Pixel Run Format graphics file Improces - Fastgraph PRF Printer driver dBASE IV PRF Profiler output PRG Program source code (e.g. Clipper language) CA Clipper PRG Program source dBASE IV - FoxPro - Clipper 5 - dBFast PRG Program Atari PRI Printer definitions LogoScript PRJ Borland C++ IDE project file BC.EXE - BCW.EXE PRK SimPark Saved File SimPark PRM Parameters PRN Printer driver Signature PRN Text file Lotus 1-2-3 - Symphony PRN Usually printer output file PRO Profile used by many programs to store configuration data PRO Graphics profile file DOS PRO Proboard conf. file Proboard PRO Prolog language source PRO PROLOG source code file PROJ Project File (Interface Builder) NeXT PROPERTIES Java properties file Java applications PROTO Message specification Google Protocol Buffers PRR The Perfect Resume data file Perfect Resume PRS Norton Viewer DLL file PRS Presentation Harvard Graphics Win PRS Printer Resource eg. fonts WordPerfect for Win PRS Procedure dBASE IV PRT P-CAD component P-CAD PRT Part or Drawing Cadkey PRT Printer driver Dr. Halo PRX Compiled program FoxPro PS Document in PostScript format adobe PSA Archive (Pretty Simple Archive) PSA.OUT (GNU) PSD Periscope Debbuger Def file Periscope PSD Photoshop bitmap file Photoshop document PSE see PSEG PSEG Bitmap graphics IBM printer Page SEgment PSF Outline PostScript printer font ChiWriter PSM Music format (Protracker Studio Module) Protracker - MASI PSM Symbol table of IDE Turbo Pascal PSM 3D Model 18 Wheels Of Steel PSN Presentation file for Sound Script Win PSP image file with layers Paint Shop Pro (all versions) PSQ Premiere Sequence Premiere PST Postbox file BMail PST Archive File Microsoft Outlook PSW File w/ passwords for any program/game many PT Game crack Player Tools PT Kodak Precition Color Management System PT3 Device driver Harvard Graphics 3.0 PT3 Template PageMaker 3 PT4 Template PageMaker 4 PT5 Aldus PageMaker 5.0 publication template Aldus PageMaker PTB Power Tab Software Power Tab Editor PTB Script PubTech BatchWorks PTF Playstation Portable Theme file PSP Theme settings menu PTF ProTools Session File Digidesign ProTools PTG Panasonic Title Graphics PTL Premiere Title Premiere PTM Macro PubTech BatchWorks PTM Music format PTM Page Magic 2.0 template Page Magic 2.0 PTN Pattern Cadkey PTN Pattern CarveWright/CompuCarve Designer PTR OS/2 cursor image file ICONEDIT.EXE PTR QWK reader pointer file QMail PTU Performer Terrain Utilities PUB Package File Exstream Dialogue PUB Page template Microsoft Publisher PUB Public key ring file Pretty Good Privacy RSA System PUB Publication Ventura Publisher - 1st Publisher PUD Warcraft II Map file Warcraft 2 PUT Archive PUT PUT Graphics format WScan PVD Script Instalit PVL Library Instalit PVM Texture Files PVMEdit PVT Local Fidonet pointlist FTN software PW Text file Professional Write PWF Workflow Files Mac OS X Server Podcast Producer PWL Password List PWP Text document Professional WritePlus PX Paradox 3.0 file Paradox 3.0 PXP 3DS Process file 3D Studio PXR Pixiar Picio AltamiraComposer PXZ Compressed file to exchange media elements PSALMO PY PYTHON script file PYC Compiled PYTHON script file PYI Cognos Powerplay Model PZD Default settings Pizazz Plus PZI Graphics format PZP PZO Overlay file Pizazz Plus PZP Palette Pizazz Plus PZS Settings Pizazz Plus PZT Transfer file Pizazz Plus PZX Swap file Pizazz Plus [edit] Q Ext. Description Used by Q0 Q0 graphic file Q3S Data Quick3D Scene QAG Quick Access Group Norton Desktop QAP Application Omnis Quartz QB Tony Hawk's Pro Skater series scripting files QBB Quickbooks Backup File QBE Saved query (Query By Example) dBASE IV - Quattro Pro QBO Compiled query dBASE IV QBW Spreadsheet QuickBooks for Windows QCH Qt Compressed Help Trolltech Qt Assistant QDK Backup of startup files created by Optimize QEMM QDn Data file - segment n Omnis Quartz QDV Graphics file Steve Blackstock Giffer QDR Configuration file Q-Dir QEF Query file Q+E for Microsoft Excel QFX Quicken-specific implementation of the OFX specification Intuit Quicken QFX Fax QuickLink QHC Qt Help Collection Trolltech Qt Assistant QHCP Qt Help Collection Project Trolltech Qt Assistant QHP Qt Help Project Trolltech Qt Assistant QIF Quicken Interchange Format Intuit Quicken QIZ World book quiz World Book QLB Quick library Microsoft C/C++ QLC ATM Type 1 fonts script Adobe Type Manager QLP Printer driver QuickLink QM4 Options or services file QMail 4.x Mail Door QPR Generated query program FoxPro QPR Print queue device driver OS/2 QPX Compiled executable QBE query file FoxPro QRS Equation Editor support file WordPerfect for Win QRT Graphics format (QRT ray tracing) QRY Query dBASE IV QT QuickTime movie (animation) QTVR QuickTime VR Movie QVD QlikView Document (Data) QlikView Compressed Database File QVW QlikView Document (View) QlikView Presentation File QWK QWK reader message file QXD Document QuarkXPress QXL Element library QuarkXPress [edit] R Ext. Description Used by R Ratfor file R Script file R R00, R01, ... Part of a multi-file RAR archive. R2D Reflex 2 datafile Reflex 2 R8 Raw graphics file (one byte per pixel) plane one PicLab R8P PCL 4 bitmap font file Intellifont RA Remote Access conf. files RA RA0, RA1, ... Part of a multi-file RAR archive. RAD 2-op FM music Reality AdLib Tracker RAD Radiance RAL Remote Access Language file Remote Access RAM Ramfile RealAudio RAR Archive RAR RAS Graphics format SUN Raster RAT Datafile (RATS) RAW HSI raw graphic file RAW PCM Signed Raw Sound File RAW QRT graphic file RAY Rayshade RB Ruby Script file RBF Datafile Rbase RC Configuration file emacs RC Resource Compiler script file Microsoft C/C++, Borland C++ RC Resource Script Resource Writer RC UUPC configuration files UUPC RC Windows resource compiler script RC.EXE -Resource WorkShop - OS/2 RCG Netscape newsgroup file (netsc.rcg) RData Data file R RDF Compiled UIC source code Geoworks UI Compiler RDI Device-independent bitmap file (RIFF RDIB format) RDX Datafile Reflex REC Archivation protocol ARCSERVE REC Datafile EpiInfo REC Record file Sprint REC Windows Recorder Macro File WinRecorder RED Path info Clarion Modula-2 RED REDuced nodelist file T-Mail nodelist Compiler REF Cross-reference REG OLE Registration file Windows 3.x REG Registration information or key REL Foreground job relocatable file RT-11 REM Remarks definition Sourcer REM Remarks REP QWK reader reply file REP Report file used by many applications REP Report Report Designer - CodeReporter - DataBoss REQ File request FTN Software RES Compiled resource Microsoft C/C++, Borland C++ RES DBASE resources dBASE IV RES Windows compiled resource package Win REV Revision file Geoworks REX PharLab executable file (old format) PharLab REX Report definition Oracle REX Rexx language source file Rexx REZ Resource file RF Sun raster graphics file RFT DCA/RFT Revisable Format Text file IBM DisplayWrite 4.0-5.1 RGB SGI RGB image file (RAW) SDSC Image Tool RGX Symbol tables etc. info ReaGeniX code generator RH Resource header file Borland C++ 4.5 RH Windows resource file header RC.EXE RHistory Command history logfile R RI Data Lotus 1-2-3 RIB Graphics (Renderman Interface Bytestream) 3D Reality RIC Fax Ricoh RIF RIFF bitmap graphics (Resource Interchange File Format) Fractal Design Painter RIP TeleGrafix Remote Imaging Protocol Maximus 3.0 RIX Graphics (ColoRIX Image File) ColoRIX RL4 Bitmap graphics RL8 Bitmap graphics RLA Wavefront raster image file SDSC Image Tool RLB Data hgw.rlb Harvard Graphics Win RLC Graphics 1bit/pixel scanner output RLD Norton Commander 5.0 temp file NC 5.0 RLD OSIMapDef. RecLoad Definition RLE Utah Run Length Encoded rasterfile graphic file SDSC Image Tool RLZ REALIZER source code file CA-Realizer RM Real Media Real Player RMB data RegistryMaster RMI Windows alternate synthesized sound format RIFF RMID format RMK Make file CA Clipper - RMAKE RN XPL program for Nota Bene users RND Rendering Slide AutoCAD AutoShade Rnn Multi volume RAR archive RAR RNO Runoff file VAX ROL FM music Adlib Music File Roland ROM Read Only Memory image in emulators, AONs, etc. ROO CODASYL DBMS Database Root Oracle RPB Data report file used by CP Backup CP Backup RPD Database RapidFile RPF AutoCAD pattern ACAD RPL Text document Replica RPM RedHat Package Manager (Command line driven package management system capable of installing, uninstalling, verifying, querying, and updating computer software packages in RedHat Linux) RedHat Linux RPT Report file used by many applications RRD Reduced Resolution Dataset ESRI (GIS) RS Data file Amiga Resource - Reassembler RS_ Resource fork of a Macintosh file Mac-ette RSC Resource file ViewMax - many RSL Application - Project resolver one RSL Resource Library used by PC Tools for Windows PC Tools - Win RSP Response file (text file containing input expected by eg. LINK) RSP Response File OS/2 RSY FLEXIT Multishot Survey Raw Data file FLEXIT RTF Rich Text Format text file (help file script) many - Microsoft Word RTFD RTF-Packet NeXT RTL HP RTL graphic file RTL Run-Time library Norton Utilities RTL Text file RTP RTPatch software update package data file Pocket soft patch RTS Realizer executable file RTS Runtime library file CA-Realizer RUL Echo-conference rules RUN PC Tools for Windows batch file PC Tools RUS Russian text RV Mobile pricelist data file Mobile RVF TRichView RVW Review RWS Borland Resource Workshop symbol file Resource Workshop RWS Resource Workshop data file Borland C++ RWX Criterion RenderWare RWX MEME Shape File RWX Script RenderWare RWZ Microsoft Outlook Rules Wizard File Microsoft Outlook RXD Reflex 1 datafile Reflex 1 RZK File Crypt password file All text editors RZX File Crypt encrypted file File Crypt (Akte Krypta, Kriptirnik) [edit] S Ext. Description Used by S$$ Temporary sort file Sprint S ASSEMBLY source code file unix S Multi Edit macro file source Multi Edit S MSTS Shape file MSTS S19 Motorola ASCII format of executables S1K S1000 Simnet Format S3I Digiplayer/ST3 Sample File Digiplayer - ST3 S3M Music (16 channels) Scream Tracker 3.0 - DMP S7I Seed7 library / include file Seed7 interpreter and compiler SA? Packed mail FTN software SAF see SAIF SAFE SafeIT Encrypted SAIF Spatial Archive Interchange Format SAL Datafile SORITEC SAN LucasArts' SMUSH/INSANE animation SAM Ami Pro data file Ami Pro SAM Text file Samna - Lotus Ami/Ami Pro SAR Archive SAR SAT ACIS SATS Static source ATS SAV Backup file (saved file) SAV Configuration SAV Executable RT-11 SAV SPSS "System File" PSPP SAV Saved game state Spider Solitaire (Windows) SAVER Screensaver Mac OS X SB Audio file (signed byte) SB Raw Signed Byte (8bit) data AWAVE SB Raw Signed PCM Byte 8bit data AWAVE SBD Storyboard Storyboard Editor SBI Sound Blaster Instrument file (Creative Labs) SBK Emu SoundFont Bank (AWE32 Bank) Convert (c) Villena SBL Stony Brook Pascal library SB Pascal SBP DML program Superbase 4 SBR Support file Source Browser SBT Notes related to record Suberbase 4 Windows SC Display driver Framework II SC PAL script Paradox SC Script Borland Paradox SC3 Renamed dBASE III screen mask file dBASE IV SC3 Screen device driver Harvard Graphics 3.0 SC4 Saved City SimCity 4 SC4 Game Scenario RollerCoaster Tycoon Deluxe/Expansion Pack SCA Datafile SCA SCC Text file SCD SCODOL film recorder (Scan Conversion Object Description Language) SCODOL SCF DNA Baser Chromatogram www.DnaBaser.com SCF ? SimAnt or SimTown ?? SCF Windows Explorer Command (e.g.: show desktop.scf) Windows Explorer SCF Multimedia show ScoreMaker SCF Spelling checker configuration file Symphony SCH Project schedule Schedule Publisher SCH Scheme P CAD - Orcad SCI Fax SciFax SCI System Configuration Information SCM Scheme source code file SCN SCeNe RTrace SCN Screen file Kermit SCO High score SCP Script BITCOM SCR Any other screen system SCR DEBUG source code file DOS Debug SCR Forth screen (source) file Forth SCR Screen - screen snapshot dBASE IV - Procomm Plus SCR Screen font LogoScript SCR Screen saver Windows 3.x SCR Screen snapshop SCR Script file source TeleMate - Kermit - 1st Reader SCT Additional (FPT) screen description file FoxPro SCX Chart Stanford Chart SCX Graphics format ColoRIX SCX Main (DBF) screen description file FoxPro SCY Security file ReaGeniX SD Sound Designer I audio file AWAVE SD7 Seed7 source file Seed7 interpreter and compiler SDA Fidonet's Software Distribution Network file archive description SDC Video DigimaxMaster Samsung NV3 SDC Synopsys Design Constraints Electronic Design Automation Tools SDF Microsoft SQL Server Compact Edition database file SDF Flight data microdrones GmbH SDF Source definition file Sourcer SDF System Data Format file (fixed length ASCII text) SDI Software Distribution Network Info file SDK Roland S-550/S-50/W-30 Disk Image SDL Alias Wavefront Scene Description Language SDML Spacial Data Modeling Language SDN Software Distribution Network compressd file archive pak251.exe SDR SmartDraw File SmartDraw Pro SDS MIDI Sample DUMP Standard File SDTS Spatial Data Transfer Standard SDW Ami Draw Symbol File SDX Sample DUMP Exchange File SEA Self-Extracting compressed Macintosh file Archive SEC ----- compressed file SEC Diskreet encrypted file Diskreet SEC Secret key ring file Pretty Good Privacy RSA System SEC Secured animation file Disney Animation Studio SEN Scifer Archive Format ( Internal Header Mode] SEP Printer separator page SEQ DNA Baser Sequence www.DnaBaser.com SEQ Atari animation file SEQ Video Tiertex video sequence SEQ Sequential Instruction File Bubble Chamber SES Session info Clarion Modula-2 SES Multitrack Audio Session info Adobe Audition SET Configuration file 1st Reader SET Driver sets created by Install Symphony SET Extension used by Norton Backup and CPS Backup for setup info Norton Backup - CPS Backup SET Hump Assignments File FYM SET Setup options file SET YVD card set file YVD SF IRCAM Sound File CSound package - MixView sound sample editor SF JAR Digital Signature SF WPS attribute storage (OS/2 WorkPlace Shell) wp_root.sf OS/2 WorkPlace Shell SF2 Emu SoundFont Bank v2.0 file AWAVE SFB HP Soft font (obsolete under Windows) SFD SoundStage Data file AWAVE SFF Scene File Format SFI Graphics SIS Framegrabber SFI Printer font (HP LaserJet landscape) Ventura Publisher SFL PCL 4 bitmap font (landscape) landscape - Intellifont -Ventura Publisher SFN Font SPX SFO Bitstream font file - fontware format SFP PCL 4 bitmap font portrait - Intellifont - Ventura Publisher SFR Sonic Foundry Sample Resource AWAVE SFS PCL 5 scalable font file Intellifont SFT Screen font ChiWriter SFX SFX (self-extracting archives) script RAR SG1 Graphics Stanford Graphics SGF Document with graphics Starwriter SGI Graphics file IRIS - Silicon Graphics SGP Statistics STATGRAPHICS Plus SGT Save/get keyboard macro Signature SH ASCII archive SHAR SH Unix shell script SH3 Presentation Harvard Graphics 3.0 SHAR Archive UNSHAR (Unix) SHB Background CorelShow SHG Segmented Hyper-Graphic SHK Apple II archive SHRINKIT SHM Shell macro WordPerfect Library SHP Shape file and source file for text fonts AutoCAD SHR see SHAR SHT HTML format for WWW NetScape SHW Presentation Harvard Graphics 2.0 - CorelShow SHW Slide show WordPerfect Presentations SHX Shape entities AutoCAD SIB Sibelius file Sibelius 1-5 SIF Setup Installation Files info Windows NT Setup SIG Current program settings Signature SIG Signature file ThunderByte AntiVirus - PopMail SIK Backup file (Sicherungskopie) Microsoft Word SIM Simon document file - Simon instruction software editor SIS symbian file SIT Archive (Macintosh) STUFFIT SKP Google SketchUp file SKY SYLK Spreadsheet file (used by Multiplan) SL S-Lang source code file SLB P-CAD library (symbols) P-CAD SLB Slide library AutoCAD SLC SALT (script from Telix) compiled code Telix SLD Slide AutoCAD SLDPRT Part SolidWorks SLDASM Assembly SolidWorks SLDDRW Drawing SolidWorks SLI Slide MAGICorp Slide Service SLK Microsoft Excel import format Microsoft Excel SLK SYLK Symbolic Link format data file MultiPlan SLL Sound data file SLP SLP command file created by SRCCOM RT-11 SLP Localization project file Sisulizer SLT SALT Script Application Language for Telix script source Telix SLV Solution for any game many SM Maillist SoftSpoken Mailer SM Script ScriptMaker SM SMALLTALK source code file SM Text file Samna Word SM StepMania Step File StepMania SMC Super Nintendo ROM SMF Fax SMARTFAX SMK Smacker Video Format (RAD Video) SML System Macro Library RT-11 SMM Ami Pro Macro File Ami Pro SMN Font (ParaGraph's WorkScript format) SMP Sample (sound file) SMP Samplevision File Samplevision SMPL Data Megahedron 3D object SMS MSTS Sound managemant system file MSTS SMT Text file Smart Ware II SN Compressed song file Sound Club editor SND Digitized sound file Macintosh/ATARI/PC SND Power Chords drum sound file Power Chord SNDB SQLNotes database SQLNotes SNG Song (midi sound) Midisoft Studio - Prism SNO SNOBOL4 source code file SNP Book-shelf for .BOO READIBM SNP Microsoft Access report snapshot SNP Output video format from Computer Eyes equipment SO shared object, dynamically linked library Unix SOAR Soar Production file SOL Solution eg. game walkthroughs SOM Network serial numbers Quattro Pro SOM Sort information Paradox SON Song SBStudio II SOU Temporary BATCH file RT-11 SOU SBStudio II Sound File SBStudio II SOU Sound data (sound tool) SP Archive (unix) SPLINT SPC Program Microsoft Multiplan SPC Temporary file WordPerfect for Win SPC SNES SPC-700 Sound File Super Jukebox SPC Spectroscopic data (scientific) Thermo Scientific SPD Scalable font Speedo - Harvard Graphics 3.0 SPF Slide presentation file EnerGraphics SPF data SQR Portable Format SPG Glossary Sprint SPI Graphics (Siemens and Philips scanner) SPIFF Still Picture Interchange File Format SPIN Spin source file Parallax Propeller Microcontrollers SPL Archive SPLINT SPL Customized printer driver Sprint SPL Personal spell dictionary Signature SPL Print spooling file Windows 3.x SPL Sample SPM Data wp{wp}.spm WordPerfect SPP Printer file Sprint SPR Document letter Sprint SPR Generated executable screen file FoxPro SPR Sprite SPR Story Board sprites SPS Exported SyncBack profile SyncBack SPS Screen driver Sprint SPS SPSSx source code file VAX/VMS SPT Data support file (MITAC disk/system management utility pack) MITAC disk/system management utility pack SPT SPITBOL source code file SPW Worksheet SigmaPlot SPX Compiled executable screen file FoxPro SQD Squish message base Squish SQI Squish message base index Squish SQL SQL language code Any SQL database SQL Squish message base lastread pointers Squish SQM Windows Live Messenger log file SQZ Archive SQUEEZE SQZ FOXPRO Squeeze file FOXPRO SRC Source code Aurora Compiler SRC Multi-edit source Multi-Edit SRC Source DataFlex SRF Sun Raster File graphics file SRP Script QuickLink SRT Subtitle format SubRip SS Bitmap graphics Splash SS Screen saver DN SSC Celestia Solar System Catalog file Celestia SSD Datafile SAS/PC SSF Graphic file SnagIt Studio File/PC SSP Datafile SAS Transport SSR FLEXIT Singleshot Survey Raw Data file FLEXIT SST AVHRR graphic file SSV Spreadsheet viewer file ST Instrument library Scream Tracker ST SMALLTALK source code file Little Smalltalk ST Stamp NeoPaint STA Data file Statistica STA Saved state Reflection 4.0 STA Stack Spinmaker Plus STB Symbol table file RT-11 STB Stub library Genus GX Kernel STC Celestia Star Catalog file Celestia STC OpenOffice.org 1.* spreadsheet template OpenOffice.org Calc STD State Transition Diagram graphic file Prosa STD OpenOffice.org 1.* drawing template OpenOffice.org Draw STF Archive SHRINKTOFIT STF Setup Table File STI OpenOffice.org 1.* presentation template OpenOffice.org Impress STK eBook Starebook STL Stereolithography Interface Format STM Music format (4 channels) (Scream Tracker Module) ST - DMP STM State Transition Diagram model file Prosa STO Pascal stub OBJ file Genus GX Kernel STP Subtitler Project Belle Nuit Subtitler STR Gate3 table structure file STR Structure list object file dBASE Application Generator STS Music format (Scream Tracker Song) ST 2.0-2.3 STS Project status info Microsoft C/C++ STU Studio Project Pinnacle Studio (video editing software) STW Data file SmartTerm for Windows STW OpenOffice.org 1.* text document template OpenOffice.org Writer STX Electronic book SmarText STX Music format STX Tax form CA-Simply Tax STY Ami Pro Template (Style); used by other programs for `styles` Ami Pro STY Style library or sheet many SU? Packed mail FTN software SUB Subtitle format SubViewer; Author David Dolinski SUI SUIT library Simple User Interface Toolkit SUM Summary SUN Sun rasterfile graphics file SUO Solution User Options for Microsoft Visual Studio SUP Supplementary dictionary WordPerfect for Win SVD Autosave file for document Microsoft Word SVG Autosave file for glossary Microsoft Word SVG Scalable Vector Graphics, many SVQ Music format SVS Autosave file for style sheet Microsoft Word SVW Super Video Windows Conversion Artist SVX Interchange, 8SVX/16SV AWAVE SVY FLEXIT Survey data FLEXIT SW Raw Signed Word (16bit) data AWAVE SWF Shockwave Flash Macromedia SWG SWAG Pascal Snippets file SWAG SWP Document backup Sprint SWP Swap file SWT Hump Routes File FYM SXC OpenOffice.org 1.* spreadsheet OpenOffice.org Calc SXD OpenOffice.org 1.* drawing OpenOffice.org Draw SXG OpenOffice.org 1.* master document SXI OpenOffice.org 1.* presentation OpenOffice.org Impress SXM OpenOffice.org 1.* formula OpenOffice.org Calc SXP 3DS Process file 3D Studio SXW OpenOffice.org 1.* text document OpenOffice.org Writer SY1 SmartPix symbol library Ami Pro SY3 Harvard Graphics format SY3 Symbol file Harvard Graphics 3.0 SYD Backup of startup files created by QEMM (?) autoexec.syd SYD Sysedit backup file Sysedit SYG Monitor and handler files created by SYSGEN RT-11 SYM Compiler symbolic information file SYM P-CAD component (symbols) P-CAD SYM Precompiled headers Borland C++ SYM Program symbol table Power C, Microsoft ILink incremental linker SYM Symbol file Harvard Graphics 2.0, Microsoft Windows SDK SYN SDSC Synu image file SDSC Image Tool SYN Synonym file Microsoft Word 5 SYS Datafile SYGRAPH - SYSTAT - SPSS/PC SYS System file - device driver or hardware configuration info DOS SYW Graphics file (symbol) Harvard Graphics Win SYW Yamaha SY-85/SY-99 Wave File Convert (c) Villena [edit] T Ext. Description Used by T Archive without compression (tape) tar T TADS source T Tester symbol table ReaGeniX code generator T?H Turbo Help file (Pascal, C, Assembler, ...) Borland Thelp T$M ??? - Found in Windows (Vista) temp folder c:\windows\temp T2B Bookeen Cybook thumbnail Cybook T2L True2Life file format 3D Internet content developers T44 Temporary file for Sort or Index dBASE IV T64 Program C64S emulator TAG Query tag name DataFlex TAH Help file for Turbo Assembler Borland C++ TAL Adobe Type Align Adobe TAL Text illustration TypeAlign TAP Tape file ZX Spectrum emulator by g.a.lunter TAR Archive TAR TAZ Archive WinZipNT - TAR - COMPRESS TB Tab file (Virtual Desktop Tab) Tabbery TB1 Font file Borland Turbo C TB2 Font file Borland Turbo C TBF Fax Imavox TurboFax TBK FOXPRO template backup file FOXPRO TBK Memo backup dBASE IV - FoxPro TBK Toolbook Asymetrix ToolBook TBL Short for Table used by many programs TBL Aldus TableEditor file TableEditor TBL Gate3 table file TBL Graphics file (native format) PageMaker TableEditor TBL Table of values OS/2 TBR Norton Desktop custom toolbar NDW TBS Text elements ?? (Textbausteine) Microsoft Word TBX Table Project Scheduler 4 TBZ Archive WinZipNT - TAR - Bzip2 TC Configuration Turbo C - Borland C++ TCH Help file Turbo C - Borland C++ TCL Tool Command Language source code Swat TCT Drawing Template TurboCAD for Windows TCW Native Drawing File TurboCAD for Windows TD Config from Turbo Debugger Turbo Debugger TD0 Compressed diskette in a file Teledisk TD2 Configuration file Turbo Debugger for Win32 TDB Database TACT TDDD Imagine Object File Format TDF Speedo font file TDF Typeface definition file Speedo TDH Help file for Turbo Debugger Borland C++ TDK Keystroke recording file Turbo Debugger TDR Contens of Arvid tape TDS Symbol table Turbo Debugger TDT Thumbnail data AVCHD TDW Configuration file Turbo Debugger for Windows TEC Data TECPLOT output TEC TECO macro file ("compiled" form) TECO TEF Fax Relisys TEFAX TEL Host file Telnet TEM Input template IconAuthor TEM Turbo Editor Macro Language script Borland C++ TERM Terminal File TES TECO macro file (source form) TECO TET Tetris results DN TEX Datasheet Idealist TEX TeX text file Scientific Word - TeX TEX Image Slimtex TEXT Text file TF Configuration Turbo Profiler TFA Area file Turbo Profiler TFC Catalogue file Tobi's Floppy Cataloguer TFF self executing TansForm dialogue TansForm TFH Help file for Turbo Profiler Borland C++ TFM Tagged font metric file Intellifont TFM TeX Font Metric file TeX TFS Statistical information Turbo Profiler TG1 Project file On Target TGA Targa True Color bitmapped format Paint.NET TGZ Archive WinZipNT - TAR - GNUzip TH? Packed mail FTN software THE Windows'95 Desktop Theme Microsoft Plus THM Thumbnail or Theme File Picture Publisher, PhotoMagic, Canon Digital Cameras, and Sony Digital Cameras will create these Thumbnail files. Also using the same file extension is Sony Ericsson Theme File, for a cell phone. THS Thesaurus dictionary WordPerfect for Win TIB Acronis True Image Backup Acronis True Image TIC FTN special file with assotiated file description ALLFIX TIF see TIFF TIFF TIFF (tagged image format file) bitmapped file Alchemy - PhotoStyler -PageMaker - CorelDRAW TIL Fuzzy logic knowledge base Togai InfraLogic Fuzzy-C Compiler TIS Tile set MahJongg 3.0 TJL Backup file VAXTPU editor TLB Interoperability Type Library Win95 TLB Reference table Bubble Chamber TLB Text library VAX TLB Type library Visual C++ TLC Compiled Tool Command Language source code Swat TLD Disk Image Teledisk TLH Typelib Generated C/C++ Header Visual C++ TLP Project TimeLine TM2 Typical Meteorological Year data (new) Typical Meteorological Year TMF Tagged Font Metric file WordPerfect for Win TMF TiVo movie TiVo TMO ZTG global optimizer default output file Zortech C++ TMO HandsHigh ThoughtManager Outline ThoughtManager Desktop TMP Temporary file ALL PROGRAMS TMS TeleMate compiled script TeleMate TMY Typical Meteorological Year data (old) Typical Meteorological Year TMY2 Typical Meteorological Year data (new) Typical Meteorological Year TOC Table Of Contents text file (ASCII) TOK Borland C++ 4.x reserved word list BCW.EXE TOPC TopicCrunch SEO Project file holding keywords, domain and search engine settings (ASCII) TOS Self-extracting file archive (Atari ST) TP Session-state file Turbo Profiler TP Turbo Pascal cfg file Turbo Pascal TP TinkerPlots Document TinkerPlots and Fathom Dynamic Data Software. Documents contain data tables, graphs, text, pictures, etc. TP3 Template Harvard Graphics 3.0 TPB Downloadable PCL Soft font file backup HiJaak TPC File produced when an inter-Topicscape topic link file is exported to Windows 3D Topicscape TPF Downloadable PCL Soft font file HiJaak TPH Help file Turbo Pascal TPL Resident units library Turbo Pascal TPL Template file GoldEd -ITrack TPL Template Harvard Graphics 2.0 TPOLY Data TPOLY 3D object TPP Protected Mode Units Borland Pascal 7.0 TPU Borland Pascal DOS Mode Library Borland Pascal TPU Command file (VAXTPU editor) VAXTPU editor TPW Borland Pascal Windows Library Borland Pascal TPW Session-state file Turbo Profiler for Windows TPZ Archive TAR - GNUzip TR Man page input suitable for troff -man cawf2.zip TR Session-state settings Turbo Debugger for DOS TR2 Session-state settings Turbo Debugger for Win32 TRC Debug support file Power CTrace TRE Directory tree file PC-Tools TRD Datafile TrID file identifier filetypes definitions package TRIA Data Greg Hood's ASCII Triangle TRIB Data Greg Hood's Binary Triangle TRIF Tiled Raster Interchange Format TRK Track (i.e. video sequence), used by many games TRM Terminal settings Windows 3.x TRN Translation support file Quattro - Clarion TRS Executable file Micrografx or password file TRS WiSo Mein Geld 2007 TRS IBM Mainframe log file TRSMAIN TRU True Basic source file TRW Session-state settings Turbo Debugger for Windows TRY Typical Meteorological Year data (variant) TRNSYS TS Qt Linguist TS File Trolltech Qt Linguist TSE Data Light Map Maker ASCII Scene TSK Microsoft Multimedia Task Application Win95 TSM Turbo Assembler Manual TASM for OS/2 TST Printer test file WordPerfect for Win TSV Tab Separated Values TTF TrueType Font file TU? Packed mail FTN software TUD The Ultimate Draw file The Ultimate Draw TUT Tutorial TV Table view settings Paradox TVF Table view settings dBASE TVn Overflow file above insert point in Doc n WordPerfect for Win TXF Tax eXchange Format TXI Support file TeX TXT Common name for ASCII text file TXW Yamaha TX-16W Wave File Convert (c) Villena TY TiVo movie TiVo TYM Time Stamp (PageMaker 4) PageMaker 4 TZ Archive TAR - COMPRESS TZB Archive TAR - COMPRESS - BTOA TZL Tanzzle pattern file Tanzzle TZX Tanzzle image file Tanzzle [edit] U Ext. Description Used by U3D Model file format Ultimate 3D U3D Universal 3D Adobe Acrobat U8 Sample UB Raw Unsigned Byte (8bit) data AWAVE UC2 Archive UC II UCN New archive UC II UCS Unknownsoft Service Pack (mainly for Shadow OS 2009) Unknownsoft Computer Systems UDF Filter Photostyler UDO Data Moray User Defined Object UDW Raw Unsigned DWord data AWAVE UE2 Encrypted archive UC II UFI data UFO CaptureV2 settings UHA UHarc archive UHS Universal Hint System (binary file) UI Espire source code file Geoworks UI Compiler UI Qt Designer's UI File Trolltech Qt Designer UI User interface Sprint UIF Long prompts for windows WordPerfect for Win UIH Espire header file Geoworks UI Compiler UL ULAW audio file ULD Information about uploaded files Procomm Plus ULF data MRF Mapping Tool Kit Universal List Format ULT Music UltraTracker UMB Backup file MemMaker UNF Universal NES Image Interchange File Format UNI Datafile Forecast Pro UNI Music format UNIMOD - MIKMOD UNIF Universal NES Image Interchange File Format UNX Text file containing UNIX specific info UOML UniqueObject Markup Language (UOML) is a XML-based markup language UOP Uniform Office Format presentation UOS Uniform Office Format spreadsheet UOT Uniform Office Format text UPD Update data dBASE UPO Compiled update data dBASE URL Internet Shortcut (URL) Windows Explorer URT Utah Raster Toolkit USE Log file USP Printer font with USASCII extended character set PageMaker USR User database file Procomm Plus - Turbo C++ tour UT! datafile uTorrent UTZ Mobile Phone Theme Sony Ericsson UU Encoded file (ASCII) UUENCODE/UUDECODE UUE Encoded file (ASCII) UUENCODE/UUDECODE UW Raw Unsigned Word 16bit data AWAVE UWF UltraTracker WaveSample UltraTracker [edit] V Ext. Description Used by V Consistency check support file ReaGeniX code generator V Main input file for an image Vivid 2.0 V8 Covox 8bit file AWAVE V10 Data Gouraud Shaded Vectors V2D Voucher design file Voucher management included in JFire (e.g. when printing a voucher) VAI multimedia PhotoDub document VAL Validity checks and referential integrity Paradox for Windows VAL Values list object file dBASE Application Generator VALA Sourcecode Vala VAN Animation VistaPro VAP Value Added Process NetWare 2.xx VAR Variable file IconAuthor VB Visual Basic .Net source file Visual Basic .NET VBR Visual Basic Custom Control file Visual Basic VBS VBScript script file VBScript VBX Visual Basic eXtension Visual Basic VBZ Visual Basic Setup Wizard Template Setup Wizard VC Include file with color definitions Vivid 2.0 VC Spreadsheet VisiCalc VCA Visual Clip Art VCD VideoCD VCD VirtualDrive CD Image File VCD VisualCADD Drawing File VCR VCR drivers for Arvid VCW Visual workbench information Microsoft Visual C++ VCX Spreatsheet VisiCalc Advanced VDA Bitmap graphics VDO Story Board video image Story Board VDR Drawing ComputerEasy Draw VEG Vegas Project Sony Vegas VEW GroupWise for Windows Win VEW View file Clipper 5 - Lotus Approach VFA FontLab Database file FontLab VFM Ventura Font Metrics file VFM Voting Form Voter VFN Voting Form for Customers Voter VGA VGA display driver VGA VGA display font VGD VGA display driver Generic CADD VGR Graphics file Ventura Publisher VI LabVIEW Virtual Instrument LabVIEW VI Graphics file Jovian Logic VI VI Watcom editor script VI.EXE VIC see VICAR VICAR Graphics (Video Image Communication and Retrieval) VID Bitmap graphics (YUV12C M-Motion Frame Buffer) VID Graphics format Word&Deed VID MS-DOS Shell Monitor file MS-DOS 5 VID Screen device driver Word VIF see VIFF VIFF Khoros Visualization Image File Format SDSC Image Tool VIK Graphics format (VIKING) VIM Vim script file Vim text editor VINF data ReMPEG log file - frames info VIR Virus or infected file VIS VIS graphics file VLM Virtual Loadable Module Netware VM Virtual Memory file Geoworks VMC Virtual memory configuration DOS/4GW PM 32X DOS Extender VMDK Virtual Disk file VMware VMF Font characteristics Ventura Publisher VMG Nokia message file format Text Message Editor (Nokia PC Suite) VMS Text file containing VMS specific info VO Include file with object definition Vivid 2.0 VOB Video Object DVD-R, DVD-RW VOC Sound format (Creative Lab's Sound File) PlayVoc VOF Object folder VZ Programmer VOP Visual Orangator Project VOP Visual OTTHYMO Project VOX Dialogic adpcm file AWAVE, CoolEdit VP 3DS Video posting 3D Studio VPF Vector Product Format VPG Graphics file VPGraphics VPH Virtual Pascal Help VP/OS2 VPI Virtual Pascal Unit VP/OS2 VQA Vector Quantized Animation The Legend of Kyrandia VRM Overlay file QuattroPro VRM Visual rexx source WATCOM VREXX VRML Virtual Reality Modeling Language NetScape VRP Project WATCOM VX?Rexx VRS Video Resource eg. video device driver WordPerfect VS Include file with surface definition Vivid 2.0 VSD Diagram Shapeware Visio VSD Visio drawing Visio VSM Simulation model VisSim VSP Sprite SPX VSS SmartShapes file Shapeware Visio VSS Visio Template Visio VST Truevision Vista graphics file VST Visio Template Visio VUE Animation 3D Studio VUE View dBASE IV - FoxPro VW Text file Volkswriter VWR File viewer file PC Tools VWX CAD File VectorWorks 2008 VXD Windows 3.x virtual device driver Windows 3.x [edit] W Ext. Description Used by W Word chart file APPLAUSE W01 Yamaha SY-series wave files AWAVE W01 Yamaha TX16W wave file AWAVE W30 Printer font AST TurboLaser - Ventura Publisher W31 Startup file Windows 3.1 W3A Warcraft 3 Abilities Export File Contained in a Warcraft 3 map W3B Warcraft 3 Destructables Export File Contained in a Warcraft 3 map W3D Warcraft 3 Doodads Export File Contained in a Warcraft 3 map W3G Warcraft 3 Replay File File for Warcraft 3 W3H Warcraft 3 Buffs Export File Contained in a Warcraft 3 map W3M Warcraft 3 Map File for Warcraft III: Reign of Chaos W3N Warcraft 3 Campaign File for Warcraft III: The Frozen Throne W3O Warcraft 3 Object Data Export File Contained in a Warcraft 3 map W3P Warcraft 3 Save Save File for Warcraft 3 W3Q Warcraft 3 Upgrades Export File Contained in a Warcraft 3 map W3T Warcraft 3 Item Export File Contained in a Warcraft 3 map W3U Warcraft 3 Unit Export File Contained in a Warcraft 3 map W3V Warcraft 3 Save Save File for Warcraft 3 W3X Warcraft 3 Expansion Map File for Warcraft 3: The Frozen Throne W3Z Warcraft 3 Save Save File for Warcraft 3 W40 Something for Windows95 (e.g. config.w40) Win95 W44 Temporary file for Sort or Index dBASE W95 Something for Windows95 Win95 WAD War Allocation Daemon Doom - Doom2 WAG Yard Contents File FYM WAI Warcraft 3 AI Data File Warcraft 3 AI Data File WAR Java Web Archive A Java file format used to package and deploy web applications. WAS ProComm Script File (source code) ProComm WAV Sound format (Microsoft Windows RIFF WAVE) Media Player WAX ProComm compiled script ProComm WB1 Notebook Quattro Pro WB2 Spreadsheet Quattro Pro WBF Microsoft Windows Batch File Catch WBK Document/workbook or Microsoft Word backup file WordPerfect for Win or Microsoft Word WBT Norton Desktop Norton Desktop WBT Wilsonware Batch file Winbatch WCD Condes Event Data file Condes WCD Macro token list WordPerfect for Win WCH WordPerfect Macro Facility WP WCM Data transmission file Microsoft Works WCM Macro WordPerfect for Win WCP Product information description WordPerfect for Win WD InfoSelect Data file WDB Database Microsoft Works WDM Admin tool connection definition War FTP WE? Packed mail FTN software WEB WEB source code file Web Easy Professional WebOOGL Web Object Oriented Graphics Library WFB Turtle Beach WaveFront Bank AWAVE WFD Turtle Beach WaveFront Drum AWAVE WFM Form object dBASE Form Designer WFN Font CorelDRAW WFP Turtle Beach WaveFront Prog. AWAVE WFX Data file Winfax WG1 Worksheet Lotus 1-2-3/G WG2 Worksheet Lotus 1-2-3 for OS/2 WID Width table Ventura Publisher WIM Windows Imaging Format ImageX WIN Window file FoxPro - dBASE WIREFRAME Data EMSE mesh WIX Windows Installer XML WiX WIZ Page wizard Microsoft Publisher WK1 Spreadsheet Lotus 1-2-3 version 2.x - Symphony 1.1+ WK3 Spreadsheet Lotus 1-2-3 version 3.x WK4 Spreadsheet Lotus 1-2-3 version 3.4 WKB Document WordPerfect for Win WKE Spreadsheet Lotus 1-2-3 educational version WKI Spreadsheet format Lotus 123 2x WKQ Spreadsheet Quattro WKS Spreadsheet Lotus 1-2-3 version 1A - Symphony 1.0, Microsoft Works WKS Workspace Xlisp WKZ Spreadsheet format Dos Navigator WLK Graphics Virtus Walkthrough WLK Walk Through for any game many WMA Windows Media Audio audio file WMC Backup of startup files by Windows MathCad autoexec.wmc MathCad WMC Macro file WordPerfect for Win WMC Text file WordMARC WMDB Windows Media Player database Windows Media Player WMF Windows MetaFile vector graphics WIMP Graphics (Windows Magic Icon Palette) WMV Windows Media Video video file WN Text NeXT WriteNow WNF Corel Draw Font File CorelDraw WOA Swap file Windows 3.x WOC Organization Windows OrgChart WOW Music (8 channels) Grave Mod Player WP Word Perfect Format WP WP5 Document WordPerfect 5.x WPD Document WordPerfect 6.0 - PFS:WindowWorks WPD Windows printer driver (uninstallable) Windows WPF Fax WorldPort WPF Form WordPerfect WPG WordPerfect Graphics vector graphics DrawPerfect WPJ Watcom C/C++ IDE project IDE.EXE WPK Macros WordPerfect for Win WPL MediaRack Wave Playlist MediaRack WPL Windows Media Playlist, for Windows Media Player WPM Macros WordPerfect WPS Text document Microsoft Works WQ! Compressed spreadsheet Quattro Pro WQ1 Spreadsheet Quattro Pro WR1 Spreatsheet Symphony 1.1 - 1.2 - 2 WRD Template Charisma WRI Write editor format Write - WinWord WRK Spreadsheet Symphony 1.0 WRL VRML file WRP Archive Amiga WARP WRS Windows Resource eg. might indicate error if word cannot open WordPerfect for Win WS APL Worksheet WS Text file WordStar 5.0-6.0 WS2 Text file WordStar 2000 WSD Document WordStar WSP Workspace Fortran PowerStation WSQ Wavelet-packet Scalar Quantization Format WSRC X-wais source WST Text file WordStar WTF WinTaper Data WWB Button bar for document window WordPerfect for Win WWK Keyboard layout WordPerfect for Win WXH Program/Script File WaxHtml Web Programming Language WXP Document EXP for Windows [edit] X Ext. Description Used by X Archive X1.EXE X AVS X image file SDSC Image Tool X DirectX 3D object X LEX source code file X XBasic Source code file Xbasic X3D x3d and xdart Formats XA XA audio file used in SimCity 3000 by Maxis, also by Sony Playstation XBE Xbox Executable Xbox XBM X11 Bitmap graphics file XCF Gimp image file XCK Extended crack file (usually text) XCL Xtree for Windows Script file Xtree for Win XDF OS/2 extended disk format image XDFCOPY.EXE XDM Directory Manipulator for 32-bit Protected Mode Xenotech Research Labs XEX Xbox 360 Executable File XFN Printer font Xerox 4045 - Ventura Publisher XFR Ventura Publisher Bitmap Editor Font file XFT 24 pin printer font ChiWriter XI Fast Tracker 2 instrument file AWAVE XI Fastracker 2.0 Instrument File Fastracker 2.0 XIF Xerox Image Format Pagis Pro 2.0 and 3.0 XLA Add-in macro sheet Microsoft Excel XLA XLib Archive xlibpas2.zip XLB Microsoft Excel Toolbar Microsoft Excel XLC Microsoft Excel Chart Microsoft Excel XLD Microsoft Excel Dialog Microsoft Excel XLK Microsoft Excel Archive Microsoft Excel XLL Microsoft Excel Dynamic Link Library Microsoft Excel XLM Microsoft Excel Macro File Microsoft Excel XLS Microsoft Excel Spreadsheet Microsoft Excel XLSB Microsoft Excel 2007 Binary Workbook (BIFF12)(Spreadsheets) Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) XLSX Office Open XML Workbook (Spreadsheets) Microsoft Excel 2007 (see Microsoft Office 2007 file extensions) XLT Microsoft Excel Template Microsoft Excel XLT Translation table Lotus 1-2-3 - Symphony - Procomm Plus XLV Microsoft Excel Module Microsoft Excel XLW Microsoft Excel Workbook Microsoft Excel XM Fast Tracker 2 extended module AWAVE, Mod4Win, FastTracker, ImpulseTracker XM Music format FastTracker - Cubic Player XMOD Monarch Model Monarch Professional XMI Compressed eXtended MIdi music XML eXtensible Markup Language file XMF eXtensible Music Format XMV video Xbox XNF Standard Network File form Xnn Secondary indexes Borland Paradox XOF RenderMorphics XP eXtended Pattern FastTracker 2.0 XPM X11 Pixel Map graphics file XQT Executable file Waffle XQT Macro sheet SuperCalc XRF Cross-reference file XSF data Microsoft InfoPath file XSPF XML Sharable Playlist Format XTB External translation table LogoScript XTP XTreeGold overlay XTreeGold XVF Xyngo Video File Xyngo Video Board XWD X Window System window dump image graphics file SDSC Image Tool XWK Keyboard mapping Crosstalk XWP Session Crosstalk XWP Text file Xerox Writer XX Encoded file (ASCII) XXENCODE XXE Encoded file (ASCII) XXENCODE XY Text file XY Write XY3 Text file XYWrite III XYW Text file XyWrite III XYZ Molecular coordinates XMol, RasMol [edit] Y Ext. Description Used by Y Archive (Amiga) Yabba Y YACC grammar file Yacc/Bison YAL Data custom/nature.yal Arts & Letters YC Archive YACC (YAC.EXE) Ynn Secondary index Borland Paradox YMP Yast Meta Package YAST2 (SUSE Linux Package Manager) YST Data YASRT Raytracer scene YRD Yard Tracks File FYM YUV Graphics format (YUV) YY Bison grammar file Bison YZ Archive YAC [edit] Z Ext. Description Used by Z Archive WinZipNT - COMPRESS - PACK Z01-Z99 Split WinRAR Archive Z3 Infocom game module Z3D Zmodeler-file Zmodeler 1 & 2 Z64 Nintendo 64 ROM Project64 Nintendo 64 emulator Z80 Snapshot ZX Spectrum emulator by g.a.lunter ZAD ZFax digitized voice file ZFax ZDG Compressed ZiffNet text document Zview ZED BitTorrent Link Podmailing ZER Data file ZIP Archive PKZip - WinZip - Mac OS X 【在 wks (cloverprince) 的大作中提到: 】 : 研究dos时代的必备资料阿。