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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
XSPF - Extension Details
Date Added: January 01, 1970
File Extension:  .XSPF
Description 1: The .XSPF extension is tied with playlists that are saved in the XML Shareable Playlist Format, or XSPF for short. This format makes use of XML tags in organizing and listing files that are included in a particular playlist. .XSPF files are a lot like .M3U files, only the former utilizes standard XML. No actual audio data are contained in an XSPF file.
File Type:   Audio file
Mode: Binary
Program(s) to Open:  Windows: Roxio Easy Media Creator, VideoLAN VLC media player Macintosh: VideoLAN VLC media player Unix: Amarok, Audacious, VideoLAN VLC media player
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