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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
RAW - Extension Details
Date Added: January 01, 1970
File Extension:  .RAW
Description 1: File extension .RAW is associated with Raw Image Data File. It is a 24bit RGB graphic that contains raw, uncompressed image data. the settings, including the white balance as well as exposure can be edited with the help of a software program after the image is saved to a computer.
File Type:   Image file
Mode: Binary
Program(s) to Open:  Windows: ACD Systems Canvas, ACDSee Photo Manager, Adobe Photoshop Elements, Corel Paint Shop Pro, any image viewer or editor supporting RAW files Macintosh: Adobe Photoshop Elements for Mac, any image viewer or editor supporting RAW files
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