<P> Windows Media Player 11 is available for Windows XP and included in Windows Vista and Windows Server 2008 . The default file formats are Windows Media Video ( WMV ) , Windows Media Audio ( WMA ) , and Advanced Systems Format ( ASF ) , and its own XML based playlist format called Windows Playlist ( WPL ) . The player is also able to utilize a digital rights management service in the form of Windows Media DRM . </P>
which is the default file extension for an audio file in windows media player
Windows Media Video ( WMV ) Windows Media Audio ( WMA ) Advanced Systems Format ( ASF ) Windows Playlist ( WPL )