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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
M2P - Extension Details
Date Added: January 01, 1970
File Extension:  .M2P
Description 1: .M2P file extension is linked with MPEG2 File Format. The generic coding utilized by audio info and moving pictures is a standard MPEG2. It defines the combination of lossy audio compression and lossy video compression methods that permit transmission and storage of movies via bandwidth transmission and available storage media.
File Type:   Movie, Video & Multimedia File
Mode: Binary
Program(s) to Open:  Windows: PowerDVD, BSPlayer
Common:
Extension: