File_Formats

When using a PC all files require a file extension at the end of the name of the file.
For example if you have created a file in QuarkXPress you need to have .qxd at the end
of the file name: Example.qxd If you are working on a Macintosh these extensions are not
required unless you plan on opening the file on a PC as well.

These file extensions tell the PC how to interpret the file. Extensions let the computer know
what program the file was created in or if it is a graphic file how to read the image properly.

Below are some of the common file extensions used for files. This only shows a small
number of the file extensions used. It is always a good practice to inform the recipient of
which program and which version of the program that the file was created in. By doing this
you can be sure that the file will be useable on the recipients end.
Can't find the file format your looking for in the list below?
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TERM	DEFINITION

.ai	Adobe Illustrator file
.asp	Active Server Pages. Pages created with ASP are dynamic and add interactivity to the web site.
.avi	Movie files for use with the Windows Media Player.
.bak	Backup files. This extension is commonly used in Windows as applications will make backup copies of documents with this extension.
.bat	Batch files mainly used in DOS.
.bmp	Bit-mapped files used for graphics such as Windows wallpaper.
.cal	Files used with the Windows Calendar program.
.cdr	CorelDRAW native format (Vector file).
.cfg	Files used to store information for MIDI components.
.dat	Data files used by programs to store information.
.dll	Dynamic Link Library files that help Windows program perform smoothly.
.doc	Word processing document files most commonly associated with Microsoft Word.
.drv	Device driver files that are used by hardware components to run smoothly.
.eps	Files containing information designed for PostScript printers.
.exe	Program files that actually run a program. Commonly associated with Windows applications.
.fla	Macromedia Flash source file
.gif	Graphics and picture files in a compressed format.
.html	Website pages. HTML is an acronym for Hypertext Markup Language. Also website pages can end in .htm.
.ico	Files representing icons such as Windows.
.inf	Information files for programs during the installation process.
.ist	Adobe ImageStyler file
.jpeg	High-quality picture and image files. Also in .jpg extension.
.js	JavaScript code files
.mdb	Microsoft Access database file
.mid	Sound files that contain musical notes. Also known as MIDI files.
.net	Network files
.pdf	Files that are created by Adobe Acrobat.
.pm65	PageMaker 6.5 Document
.ps	Postscript File text/graphics (ASCII)
.psd	Photoshop document.
.qxd	QuarkXPress Document
.reg	Registrey key that contains licensing info to legalize the installation of an application.
.scr	Windows screen savers
.sea	Macintosh self extracting file.
.sit	The Macintosh version of a compressed file.
.tif	Tagged Image File format (bitmap/graphic)
.ttf	True Type Font
.txt	Text files created by a word processing program or Windows Notepad.
.wav	Sound files that are commonly associated with Windows Media Player.
.xls	Microsoft Excel document file
.zip	Files that have been compressed by a program such as WinZip or PKZip.