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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?Visit Every File Format In The World By Clicking Here.

.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.


helpful resources

hot tip for microsoft publisher designers
How to convert a Microsoft Publisher file to a PDF for printing

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