File Extention Codes

Data Files

.123	Lotus 1-2-3 Spreadsheet
.csv	Comma Separated Values File
.dat	Data File
.db	Database File
.dll	Dynamic Link Library
.mdb	Microsoft Access Database
.pps	PowerPoint Slide Show
.ppt	PowerPoint Presentation
.sql	Structured Query Language Data
.wks	Microsoft Works Spreadsheet
.xls	Microsoft Excel Spreadsheet
.xml	XML File

Image Files

.mng	Multiple Network Graphic
.pct	Picture File

Raster Image Files

.bmp	Bitmap Image File
.gif	Graphical Interchange Format File
.jpeg	JPEG Image File
.jpg	JPEG Image File
.png	Portable Network Graphic
.psd	Photoshop Document
.psp	Paint Shop Pro Image File
	Tagged Image File Vector Image Files .ai Adobe Illustrator File .drw Drawing File .dxf Drawing Exchange Format File .eps Encapsulated PostScript File .ps PostScript File .svg Scalable Vector Graphics File 3D Image Files .3dm Rhino 3D Model .3dmf QuickDraw 3D Metafile Page Layout Files .indd Adobe InDesign File .pdf Portable Document Format File .qxd QuarkXpress Document .qxp QuarkXpress Project File Audio Files .aac Advanced Audio Coding File .aif Audio Interchange File Format .iff Interchange File Format .m3u Media Playlist File .mid MIDI File .midi MIDI File .mp3 MP3 Audio File .mpa MPEG Audio File .ra Real Audio File .ram Real Audio Media .wav WAVE Audio File .wma Windows Media Audio File Video Files .3gp 3GPP Multimedia File .asf Advanced Systems Format File .asx Microsoft ASF Redirector File .avi Audio Video Interleave File .mov Apple QuickTime Movie .mp4 MPEG-4 Video File .mpg MPEG Video File .qt Apple QuickTime Movie .rm Real Media File .swf Macromedia Flash Movie .wmv Windows Media Video File Web Files .asp Active Server Page .css Cascading Style Sheet .htm Hypertext Markup Language File .html Hypertext Markup Language File .js JavaScript File .jsp Java Server Page .php Hypertext Preprocessor File .xhtml Extensible Hypertext Markup Language File Font Files .fnt Font File .fon Generic Font File .otf OpenType Font .ttf TrueType Font Plugin Files .8bi Photoshop Plug-in .plugin Mac OS X Application Plug-in .xll Excel Add-In File

System Files

.cab	Windows Cabinet File
.cpl	Windows Control Panel
.cur	Windows Cursor
.dmp	Windows Memory Dump
.drv	Device Driver
.key	Security Key
.lnk	File Shortcut
.sys	Windows System File

Settings Files

.cfg	Configuration File
.ini	Windows Initialization File
.reg	Registration Information

Executable Files

.app	Mac OS X Application
.bat	DOS Batch File
.cgi	Common Gateway Interface Script
.com	DOS Command File
.exe	Windows Executable File
.pif	Program Information File
.vb	VBScript File
.ws	Windows Script

Compressed Files

.deb	Debian Software Package
.gz	Gnu Zipped File
.pkg	Mac OS X Installer Package
.rar	WinRAR Compressed Archive
.sea	Self-Extracting Archive
.sit	Stuffit Archive
.sitx	Stuffit X Archive
.zip	Zipped File

Encoded Files

.bin	Macbinary II Encoded File
.hqx	BinHex 4.0 Encoded File
.mim	Multi-Purpose Internet Mail Message
.uue	Uuencoded File

Developer Files

.c	C/C++ Source Code File
.cpp	C++ Source Code File
.java	Java Source Code File
.pl	Perl Script

Backup Files

.bak	Backup File
.gho	Norton Ghost Backup File
.old	Backup File
.ori	Original File
.tmp	Temporary File

Disk Files

.dmg	Mac OS X Disk Image
.iso	Disc Image File
.toast	Toast Disc Image
.vcd	Virtual CD

Game Files

.gam	Saved Game File
.nes	Nintendo (NES) ROM File
.rom	N64 Game ROM File
.sav	Saved Game

Misc Files

.msi	Windows Installer Package
.torrent	BitTorrent File
.yps	Yahoo! Messenger Data File