Part 1. What Formats Does Windows Media Player Support
There has been multiple versions of Windows Media Player released after it first appeared in 1991. This player has intrinsic support for Windows Media codec files such as WMA, WMV, ASF, AVI etc. And more and more new file formats are added with the development of the new versions. In the most recent version of Windows Media Player 12, It supports the following listed formats.
Supported Audio Formats: MP3, MID, MIDI, RMI, AIF, AIFC, AIFF, WAV, CDA, M4A, AAC, ADT, ADTS and so on.
Supported Video Formats: ASF, WMA, WMV, WM, ASX, WAX, WVX, WPL, WMD, AVI, DVR-MS, WMD, MPG, MPEG, IVF, MOV, MP4, M4V, MP4V, 3G2, 3GP2, 3GP, 3GPP, M2TS etc.
Furthermore, for other formats which are not on the support list of Windows Media Player, you can also install a third-party codec to enable it to support more media types. For instance, you can add more formats by using specific DirectShow filters or MediaFoundation codec. In brief, it can play any common files without any protection as long as you have the right codec installed.