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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
INT - Extension Details
Date Added: January 12, 2008
File Extension:  .INT
Description 1: .INT file extension is linked with SGI Integer Image. This is the basic monochrome [black & white] image format developed by Silicon Graphics. It can store image data by using integers which represent each pixels contents. .SGI file extension is often utilized by colored SGI images. The standard .INT file format is supported by various programs.
File Type:   Bitmap Image File
Mode: Binary
Program(s) to Open:  Windows: ACDSee Photo Manager
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