.ai

Adobe Illustrator

.aif/.aiff

Audio AIFF files

.aifc

Compressed AIFF file

.asp

Active Server Page

.au

Audio sound file

.avi

Video file

.bmp

Microsoft bitmapped file

.cfm

Cold Fusion Metafile

.css

Cascading Style Sheet

.dcr/.dir./dxr

Shockwave files

.dll

Dynamic Link Library element

.doc

Microsoft Word text file

.eps

Encapsulated Postscript File (graphic)

.exe

Self extracting file

.fhd

Freehand

.gif

Graphics Interchange Format graphic
used primarily on the Web

.gz

Compressed file made by gunzip

.hqx

Mac BinHex Archive

.htm/.html

Hypertext Markup Language file

.jpg/.jpeg

Joint Photographic Expert Group graphic used primarily on the Web

.lib

A Library file

.mid/.midi

Musical Instrument Digital Interface audio file

.mov

QuickTime movie file

.movie

Movie file by Silicon Graphics

.mpg/mpe

Movie

.p65

PageMaker 6.5 file

.pbm

Portable Bitmap Image

.pcd

Kodak photo CD image

.pdf

Portable Document File

.pic

A common graphic image file format

.pl

Perl source file

.png

Portable Network Format graphic used primarily on the Web

.ppt

PowerPoint file

.ps

Postscript file

.pub

Microsoft Publisher file

.qt

QuickTime movie

.qxd

QuarkXPress file

.ra

RealAudio file

.rtx/.rtf

Rich Text Format

.sea

Self extracting Stuffit file

.shtm, shtml

Server-Side Includes

.sit

Stuffit archive

.snd

Digitized sound file

.swf

StuffitShockwave Flash file archive

.tar

A Compressed file

.tif/.tiff

Tagged Image File Format graphic file

.txt

An ASCII text file you can open with Notepad

.wav

Waveform audio file

.wpd

WordPerfect file

.wrl/.wrz

VRML 3D file

.xll

Excel file by Microsoft

.xml

Extensible Markup Language

.zip

Compressed file expanded by WinZip (PC) or Stuffit (Mac)