Audio file compressed with Windows Media compression; proprietary format developed by Microsoft, similar to the .MP3 format; can be converted to other more standardized formats; often used for playing music from the Web; Windows Media video files use a .WMV extension.
Microsoft's Zune portable music player and the Disney Mix Stick MP3 Player can play WMA files. They cannot be played on an iPod.
NOTE: Microsoft Windows Media Player 9 was the last version of the Windows Media Player developed for Mac OS X. However, Mac users can use Flip4Mac WMV (also known as Microsoft Windows Media Components for QuickTime) to play WMA files.