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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
A52 - Extension Details
Date Added: January 01, 1970
File Extension:  .A52
Description 1: .A52 file extension is linked with Multichannel Audio File. This file extension is associated with VLC Media Player an extremely portable multimedia player for various video and audio formats such as MPEG1, MPEG2, MPEG4, MP3 and others. It can also support DVDs, CDs and other streaming protocols. It can also be used to stream multicast or unicast in IPV4 or IPV6 on highbandwidth network.
Description 2: .A52 file format is linked with Atari 5200 Game Image file. Atari 5200 is a video game that was developed in the 1980's. It is one of the first cartridgebased home video game systems. This application offered players and followers enhanced graphics and edgy features that were not available from other game systems during its time. Today there are retrogamers and video game collectors that still follow the Atari 5200 game system. .A52 file extension and Atari 5200 are owned and developed by Atari, Inc.
File Type:   Game File
Mode: Binary
Program(s) to Open:  N/A
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