Text

Graphics

Spreadsheet/Database

Audio

Multimedia/Presentation

Compression

Below is a list of common file extensions (the suffix following the dot at the end of a filename). Click on one to identify which application to use to open the file and a link to the application's location on the web. In some cases the extension will be followed by a number to indicate the version number of the application (e.g. ".fh5").

ai
aif
au
avi
bin
bmp

cwk
dcr
dir
doc
dxr
fh

fm
fmp

gif
hqx
jpeg
jpg

mid
mov
mp
mpeg
mpg
pct

pdf
pics
pict
pot
pp
psd

qt
ra
ram
sea
sit
swf

tar
tga
tif
tiff
txt
wav

wk
wks
wpd
xls
zip

 

   file extension

application (Mac / PC)

download

Text Documents

  txt

SimpleText / Notepad

mac

win

  doc

Microsoft Word

mac

win

  wpd

WordPerfect

mac

win

  pdf

Adobe Acrobat

mac

win

  cwk

Apple Works / Claris Works

mac

win

Graphics

  bmp, gif, jpeg,
  jpg, pct, pics,
  pict, tga, tif, tiff

Graphics Converter / Paintshop Pro

mac

win

  psd

Adobe Photoshop

mac

win

  ai

Adobe Illustrator

mac

win

  fh

Macromedia Freehand

mac

win

Spreadsheet / Database

  xls

Microsoft Excel

mac

win

  fm, fmp

FileMaker Pro

mac

win

  wk, wks

Lotus 1,2,3

mac

win

Audio

  aif, au, mid,
  mp, wav

SoundApp
Awave

mac

win

  ra, ram

RealPlayer

mac

win

Multimedia / Presentation

  swf, dcr

Macromedia Flash / Shockwave

mac

win

  mov, qt, avi,
  mpeg, mpg

QuickTime

mac

win

  pp, pot

Microsoft PowerPoint

mac

win

  dir, dxr

Macromedia Director

mac

win

Compression

  sit, sea, hqx,
  bin, tar

StuffItExpander

mac

win

  zip

StuffItExpander
WinZip

mac

win