WMA is a format that belongs to Windows systems. You can also put WMA audio files to other media players like VLC, ALLPlayer, MPlayer, RealPlayer, Winamp and so many others. Windows Media Player is the first choice to play WMA files. Based on WMA, WMA Pro, WMA Lossless and WMA Voice are created with different codec. WMA ( Windows Media Audio) is Microsoft's format which is supposed to overtake MP3, but it is not as popular as MP3. How to Play WMA Files with QuickTime on Mac