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The File Extension Library

What is a file extension?

Short answer: it's the set of letters after the period (.) in the name of a file.

Long answer: File extensions signify the file format of a file. It tells the operating system (OS) how data was stored in the file. Not all OS, require a file extension though. For instance, this is optional in Unix, but is mandatory with MS-DOS and Windows systems.

In most file formats the file type is actually defined by the contents (first bytes, file structure), but extensions are used to define the application that is used for opening the file.

Below is a detailed database of thousands of file extensions our team has compiled for you. Feel free to browse!


Browse all Extensions:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
DXF - Extension Details
Date Added: February 03, 2009
File Extension:  .DXF
Description 1: .DXF file extension is linked with Micrografx Picture Publisher Special Effects. This is the file extension for the Special Effects utilized by Micrografx Picture Publisher an image editor and painting application, and it was one of the first Windowsbased photo editors. After the release of Picture Publisher 8, it was renamed iGrafx Image which was only available in iGrafx Designer Suite. Corel acquired Picture Publisher and the iGrafx line of programs after the Micrografx release.
File Type:   Data File
Mode: ASCII
Program(s) to Open:  Windows: Micrografx Picture Publisher
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