.WMD File Extension
File TypeWindows Media Download Package
What is a WMD file?
Zip compressed file used by Windows Media Player; may store multimedia content, playlists, and borders (custom interfaces); used as a format for downloading audio and video over the Internet.
WMD files are .ZIP files that use the ".wmd" extension so that Windows Media Player opens them by default. You can decompress them manually with any Zip-compatible decompression utility.