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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
ABKPRJ - Extension Details
Date Added: May 01, 2009
File Extension:  .ABKPRJ
Description 1: .ABKPRJ file extension is linked with Ashampoo Backup Project File. It is the backup project file which is created by Ashampoo Burning Studio an application that offers userfriendly interface which helps users navigate and use the program minus the complications. . ABKPRJ file extension and Ashampoo Burning Studio are owned and developed by Ashampoo.
File Type:   Backup File
Mode: Binary
Program(s) to Open:  Windows: Ashampoo Burning Studio
Common:
Extension: