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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
WMS - Extension Details
Date Added: December 03, 2009
File Extension:  .WMS
Description 1: .WMS is the file extension that is linked to Windows Media Skin. It refers to custom or preinstalled skin that alters the Windows Media Player interfaces appearance. The .WMS files include a combination of Jscript code and graphics that serve to define the behavior of every element found in the skin.
File Type:   Settings file
Mode: Binary
Program(s) to Open:  Mac and Windows: Microsoft Windows Media Player (doubleclick to install)
Common:
Extension: