Files that contain the .wm file extension are most commonly associated with Windows Media Player files. Windows Media Player is a media playback software that allows users to play movies and music on their computer hard drive.
The WM files that are associated with the Windows Media Player are container files that store video or audio data, or sometimes a combination of both. These files are formatted using the Windows Media Player codec.
The .wma and .wmv file extensions can also be used in place of the .wm extension. The file formats for these file extensions are relatively the same.
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