Microsoft Windows media player

Microsoft's media player is a program that associates the type of files it is capable of opening. If there is a certain type of file extension that you wish to have associated with Windows media player. open Windows media player and click Tools, Options, click the File Types tab, and check which file types you  wish to have opened in the media player (in this case it would be .wma and .wvx). For example if you want to use the Windows media player for this captioned video, check "WMA and WVX.