Commonly used file types and what programs open them

.JPG - Image Viewer, Photo Manager, Internet Explorer, Paint, Photoshop

.PNG - Image Viewer, Photo Manager, Internet Explorer, Paint, Photoshop

.GIF - Image Viewer, Photo Manager, Internet Explorer, Paint, Photoshop

.TIF - Image Viewer, Photo Manager, Internet Explorer, Paint, Photoshop

.BMP - Image Viewer, Photo Manager, Internet Explorer, Paint, Photoshop

.PDF - Acrobrat Reader, Acrobrat Professional, Illustrator, Photoshop

.DOC - Microsoft Word

.DOCX - Microsoft Word 2007 version onwards

.TXT- Notepad, Wordpad

.XLS - Microsoft Excel

.CSV - Microsoft Excel

.PPT - Powerpoint

.PUB - Publisher

.ZIP - File needs to be extracted – usually you can right click on the file and select extract all otherwise use winzip or winrar

.RAR - WinRAR

.SIT - Stuff It

.AVI - Windows Media Player

.ASX - Windows Media Player

.RAM - Real Player

.MPG - (short for MPEG) Windows Media Player, itunes

.MOV - Quicktime

.WMA - Windows Media Player

.QT - Quicktime

.PSD - Photoshop

.AI - Illustrator, Photoshop

.INDD - Indesign

.INV - Indesign

.EPS - Illustrator, Photoshop

.DAT Data files, usually comma delimited, that contain data in ASCII format. Are able to be open in Microsoft Word and Microsoft Notepad. Usually files sent through email, that have become corrupted, acquire the .DAT file extensions and can be open in Word or Notepad, but cannot be read properly as they are in a scripted format.