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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
APE - Extension Details
Date Added: April 12, 2008
File Extension:  .APE
Description 1: .APE file extension is linked with Moneys Audio Lossless Audio File. This is the audio file that has been compressed using Monkeys Audio lossless compression algorithm. It has an error detection and support for audio file information tags. .APE files can be created and incorporated with other applications aside from Monkeys Audio.
Description 2: .APE file extension is linked with Winamp Plugins AVS File. This is the file extension for the AVS plugins utilized by Winamp an application which offers fast, highfidelity, flexible music and video player/s for Windows. It supports: CD, MP3, WAV and other types of audio format; custom skins or appearance; audio visualization; audio effect plugins. Other features include: freeform skins, new decoder/s, advanced media library and builtin cross fade. .APE file extension and Winamp are owned and developed by Nullsoft.
File Type:   Plugin File
Mode: ASCII
Program(s) to Open:  Windows: Winamp
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