.WM File Extension

There is only one file type that uses the .WM extension:

Windows Media File

Windows Media File

Windows Media audio or video file; may contain audio, video, or both types of data; formatted using the Windows Media Player codec.

The WM extension is a simplified file extension that can be either a .WMA (Windows Audio) or .WMV (Windows Video) file. The WMA and WMV files are more specific and are used more commonly than the WM extension.

Updated: August 7, 2016

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