How to play files that aren't normally recognized by
Windows Media Player.
1. Right click on the file you want to play
2. Select  Open With
3. Select  Select the program from the list and click  OK
4. Select  Windows Media Player and check the box marked
 Always use the selected program to open this kind of file
5. You will see a warning that the file has an extension that is not
recognized, check the box marked  Don't ask me again for this
extension , then click  Yes
Repeat the steps for any other file types you wish to play.