Option 1: You can install a QuickTime component – Flip4Mac which will help to increase the QuickTime's current support of file formats Option 2: use an alternative WMV Player or Method 3: convert your WMV files beforehand with the Video Converter Ultimate.Īs mentioned earlier, Flip4Mac is one of the many QuickTime Components that's available to help improve the current supported list of media types, files, formats as well as compatibility of QuickTime.