If you are using the older version of the WMP, then you can’t play MP4 in Windows Media Player. Because the older version of the WMP does not support the MP4 video format. Take a look at them: Case 1– When Your Windows Media Player Is Outdated There are three major factors that can lead to the MP4 video file won’t play issue. Select Repair to start the repair process and save the repaired video on the desired location after the repair is done.Ĭircumstances That Can Cause “Can’t Play MP4 In Windows Media Player”.Click Add File to add the video you want to repair.Download this Video Repair Tool rated Great on.
