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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
ODIF - Extension Details
Date Added: September 09, 2008
File Extension:  .ODIF
Description 1: .ODIF is the file extension for the binary image format that has to do with the Open Document Architecture or ODA. These files involve objectoriented document architecture. An .ODIF file is used to represent instances or examples of objects in text. A number of medical applications utilize the ODIF file format.
File Type:   Image file
Mode: Binary
Program(s) to Open:  Mac and Windows: DSG Arachne software library or other ODIFcompatible programs can be viewed and edited using a text editor
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