Appendix B
File Extension | Type of File |
.0 | File containing information on hard disk compressed with DoubleSpace. |
.123 | Spreadsheet file in Lotus 123. |
.4th | Source file in Forth. |
.a | Source file in Macintosh Assembly. |
.ad | Screensaver file in After Dark. |
.ada | Source file in Ada. |
.ai | Vector graphic file in Adobe Illustrator. |
.aif | See .aiff. |
.aifc | See .aiff. |
.aiff | Audio file in the Apple Audio Interchange Format originally used on Apple and Silicon Graphics (SGI) computers. |
.ani |
|
.aol | File related to America Online. |
.aps | Source file in Microsoft Visual C++. |
.arc | Archive file compressed with ARC. |
.arj | Archive file compressed with ARJ. |
.asc |
|
.asf | File in Microsoft Advanced Streaming Format. |
.asm | Source file in Assembler. |
.asp | File in Active Server Page format, generally found on the World Wide Web. |
.atm | File in Adobe Type Manager. |
.au | Sound file, generally on UNIX systems or the World Wide Web. |
.avi | Audio visual interleaved data file in the Microsoft RIFF format. |
.bac | See .bak. |
.bak | Backup file. |
.bas | Source file in Basic. |
.bat | Batch program file. |
.bfc | Briefcase file in Microsoft Windows 9x. |
.bin |
|
.bk | See .bak. |
.bmk | Bookmarked file. |
.bmp | Raster graphics file stored in bitmap format. |
.box | Mailbox file in Lotus Notes. |
.c | Source file in C. |
.c++ | Source file in C++. |
.cab | Microsoft cabinet file multiple files compressed into one and extractable with the extract.exe utility. |
.cas | Comma-delimited ASCII text file. |
.cb | Clean boot file in Microsoft Windows. |
.cbl | Source file in Cobol. |
.cca | E-mail message in Lotus cc:mail. |
.cda | CD audio track. |
.cdf |
|
.cdi | File in Phillips Compact Disk Interactive format. |
.cdr | Vector graphics file in CorelDraw. |
.cgi | File containing Common Gateway Interface scripts, generally for use on the World Wide Web. |
.cgm | Vector graphics file in Computer Graphics Metafile format. |
.chk | Portions of unidentifiable files saved in Windows by the Disk Defragmentor or ScanDisk utilities. |
.chm | File containing compiled HTML. |
.cil | Microsoft Clip Gallery download package. |
.class | Class file in Java. |
.clp | Temporary file created by Microsoft Windows Clipboard utility. |
.cmd | Command file in Windows NT, OS/2, MS-DOS, and CP/M. |
.cmf | File in Corel Metafile. |
.cob | Source file in Cobol. |
.com | Command file or program. |
.cpl | Control Panel file in Microsoft Windows 9x. |
.cpp | Source file in C++. |
.crt | Certificate file. |
.css | Cascading Style Sheet file, generally used in conjunction with Web sites. |
.csv | Comma-delimited text file. |
.ct | Graphics file in Paint Shop Pro. |
.cur | Cursor file in Windows. |
.cxx | Source file in C++. |
.dat | Data file. |
.dbf | Database in dBASE and FoxPro. |
.dcr | Multimedia file in Macromedia Shockwave. |
.dib | Graphics file in Device Independent Bitmap format. |
.dif | File in Data Interchange Format. |
.dll | Dynamic-link library file. |
.doc |
|
.dos | MS-DOS related files in Microsoft Windows 9x. |
.dot | Document template in Microsoft Word. |
.drv | Device driver. |
.dtd | Document Type Definition file in SGML or XML. |
.dtp | Document file in Microsoft Publisher or PublishIt! |
.dv | Video file. |
.dvi | Document file in TEX Device Independent File format. |
.emf | File in Enhanced Windows Metafile format. |
.eml | Mail message in Microsoft Outlook Express. |
.eps | Encapsulated PostScript file. |
.exe | Executable program or file. |
.F | Source file in Fortran. |
.F77 | Source file in Fortran 77. |
.F90 | Source file in Fortran 90. |
.fax | Fax file in many Fax programs. |
.fdf | File in Adobe Acrobat Forms. |
.fla | Movie file in Macromedia Flash. |
.fli | Animation file in AutoDesk FLIC file. |
.flf | Device driver in OS/2. |
.fm | Document file in Adobe FrameMaker. |
.fon | System font file in Windows. |
.for | Source file in Fortran. |
.fp | File in FileMaker Pro. |
.fpt | See .fp. |
.frm | Document file in Adobe FrameMaker. |
.gid | Index file in Windows 9x. |
.gif | Raster image file in GIF format. |
.giff | See .gif. |
.gtar | UNIX archive file compressed in GNU tar utility. |
.gz | UNIX archive file compressed by gzip. |
.gzip | See .gz. |
.h | Header file. |
.hdf | File in Hierarchical Data Format. |
.hex | File encoded with Macintosh BinHex utility. |
.hlp | Help file in Microsoft Windows. |
.hqx | File encoded with BinHex utility. |
.htm | See .html. |
.html | HTML file, most commonly used as a Web page. |
.ico | Icon file in Microsoft Windows 9x. |
.iff |
|
.image | Image file in Macintosh Disk Image format. |
.inf | Device information file, which contains scripts used to control hardware operations. |
.ini | In MS-DOS and Windows 3.x, an initialization file, which contains user preferences and startup information about an application program. |
.ins | File containing InstallShield install script. |
.isu | File containing InstallShield uninstall script. |
.jas | Image file in JAS format. |
.jav | See .java. |
.java | Source file in Java. |
.jff | See .jpg. |
.jfif | See .jpg. |
.jpe | See .jpg. |
.jpeg | See .jpg. |
.jpg | Graphic image file encoded in the JPEG File Interchange Format. |
.js | Source file in JavaScript. |
.l | Source file in LISP. |
.latex | Text file in LaTeX. |
.lha | Archive file compressed with LZH. |
.lib | Library file in many programming languages. |
.lnk | Shortcut file in Windows 9x and Windows NT 4. |
.log | Log file. |
.lsp | Source file in LISP. |
.lzh | See .lha. |
.mac | Image file in MacPaint. |
.mak | Project file in Microsoft Visual Basic or Microsoft Visual C++. |
.man | Manual page in UNIX. |
.mbox | Mailbox file in BSD UNIX. |
.mbx |
|
.mcw | Document file in Microsoft Word for the Macintosh. |
.mdb | Database in Microsoft Access. |
.mic | Image file in Microsoft Image Composer. |
.mid | Music file in MIDI format. |
.midi | See .mid. |
.mime | File encoded in MIME format. |
.moov | Video file in Apple QuickTime. |
.mov | See .moov. |
.movie | See .moov. |
.mp2 | Audio file compressed and encoded according to the MPEG Audio Layer-2 standard. |
.mp3 | Audio file compressed and encoded according to the MPEG Audio Layer-3 standard. |
.mpe | See .mpg. |
.mpeg | See .mpg. |
.mpg | Compressed video and audio file in MPEG format. |
.mpp |
|
.msg | E-mail message in Microsoft Outlook. |
.ncb | File in Microsoft Developer Studio. |
.ncf | Command file in Novell NetWare. |
.ncf | Temporary file created by Microsoft Windows Clipboard utility. |
.net | Network configuration file. |
.newsrc | Setup file for UNIX-based newsreaders. |
.nlb | Data file in Oracle 7. |
.nlm | Module file in Novell NetWare. |
.nsf | Database in Lotus Notes. |
.nws | News message file in Microsoft Outlook Express. |
.obd | File in Microsoft Office Binder. |
.ocx | Microsoft OLE control. |
.ole | Microsoft OLE object. |
.opt | See .ncb. |
.p | Source file in Pascal. |
.p65 | Document file in PageMaker 6.5. |
.pab | Address book file in Microsoft Outlook. |
.pcd | Image file in Kodak Photo-CD. |
.pcl | File in Hewlett-Packard Printer Control Language. |
.pcx | Bitmapped image file in PC Paintbrush. |
Document file encoded in Adobe Portable Document Format. | |
.pgp | File encrypted in PGP (Pretty Good Privacy). |
.pic |
|
.pict | Image file in the Macintosh PICT. |
.pl |
|
.png | Bitmap image file in PNG format. |
.pps |
|
.ppt | Presentation file in Microsoft PowerPoint. |
.prc | Text or program file for 3Com PalmPilot. |
.prg | File in Microsoft FoxPro, Ashton-Tate dBase, or CA Clipper. |
.ps | PostScript printer file. |
.psd | Image file in Adobe PhotoShop. |
.pst | Personal File Folder file in Microsoft Outlook. |
.pub | Document file in Ventura Publisher, Adobe PageMaker, or Microsoft Publisher. |
.pwd | Document file in Microsoft Pocket Word for handheld and palm-size computers. |
.pwl | Password file in Microsoft Windows 9x. |
.pxl | Spreadsheet file in Microsoft Pocket Excel for handheld and palm-size computers. |
.qic | Backup file in Microsoft Backup. |
.qif | See .qti. |
.qt | See .qtm. |
.qti | Image file in Apple QuickTime. |
.qtif | See .qti. |
.qtm | Movie file in Apple QuickTime. |
.qts | See .qti. |
.qtx | See .qti. |
.qxd | Document file in QuarkXPress. |
.ra | Sound file in RealAudio. |
.ram | Metafile in RealAudio. |
.ras | Raster image bitmap on Sun systems. |
.rast | See .ras. |
.raw | Bitmap file in RAW format. |
.rdf | Resource Description Framework file in XML. |
.rgb | See .raw. |
.rif | Bitmap file in RIFF format. |
.riff | See .rif. |
.rle | Bitmap file in RLE compression scheme. |
.rm | Video file in RealAudio. |
.rtf | Document file in Rich Text Format. |
.s |
|
.sam | Document file in Lotus Ami Professional. |
.sav |
|
.scc | File in Microsoft SourceSafe. |
.scd | File in Microsoft Schedule+. |
.scr | Screensaver file in Microsoft Windows. |
.sea | Self-extracting Macintosh archive file compressed with StuffIt. |
.set | File set in Microsoft Backup. |
.sgm | File in SGML. |
.sgml | See .sgm. |
.shtml |
|
.sig | Signature file for e-mail or Internet newsgroup use. |
.sit | Macintosh archive file compressed with StuffIt. |
.sm | Source file in Smalltalk. |
.snd |
|
.spl | File in Macromedia Shockwave Flash. |
.sql | Query or report file in SQL. |
.stm | See .shtml. |
.sun | Raster graphics file in Sun systems. |
.swa | Audio file in Macromedia Shockwave. |
.swf | File in Macromedia Shockwave Flash. |
.swp | Swap file in Microsoft Windows. |
.sys | System configuration file. |
.tar | Uncompressed UNIX archive in tar format. |
.taz | UNIX archive file in Gzip or tar format. |
.tcl | Source file in TCL. |
.tga | Bitmap file in Targa format. |
.tif | Bitmap images in TIFF format. |
.tiff | See .tif. |
.tmp | Temporary file in Windows. |
.tsv | Tab separated values file. |
.ttf | TrueType font file. |
.txt | ASCII text file. |
.udf | Database file in Microsoft Windows NT. |
.uri | File containing list of URIs. |
.url | Shortcut file on the Internet for a URL. |
.uu | See .uud. |
.uud | Binary file that has been translated into ASCII format using uuencode. |
.uue | File that has been decoded from ASCII format back into binary format using uudecode. |
.vbx | Custom control in Microsoft Visual Basic. |
.vda | See .tga. |
.vp | Document file in Ventura Publisher. |
.vrm |
|
.vrml | A 3-D graphics file in VRML. |
.vst | Bitmap image file in Targa. |
.vxd | Virtual device driver in Microsoft Windows. |
.wab | E-mail file in Microsoft Outlook Express. |
.wav | Sound file stored in waveform (WAV) audio format. |
.wmf | Vector image file encoded as a Microsoft Windows Metafile. |
.wp | Document file in Corel WordPerfect. |
.wp6 | Document file in Corel WordPerfect 6.x. |
.wpd | See .wp. |
.wpg | Graphic file in Corel WordPerfect. |
.wps | Document file in Microsoft Works. |
.wri | Document file in Microsoft Write. |
.xls | Spreadsheet file in Microsoft Excel. |
.z | UNIX file archive compressed with gzip. |
.Z | UNIX file archive compressed with compress utility. |
.zip | Archive file compressed in ZIP format with PKZIP or WinZip. |
.zoo | Archive file compressed with zoo. |