QuickTime is one of the popular multimedia player that supports a wide range of video file formats. However, at times when you try to play your MP4 file on QuickTime player, you might receive an error message “The document “abc.mp4” could not be opened. The file isn’t compatible with QuickTime Player.” So, why your QuickTime player can’t open MP4 on Mac and how do you fix this issue?
In this article, I am going to explain each and everything about QuickTime Player won’t play MP4 issue along with its 5 workable methods.
Taposhi is an expert technical writer with 5+ years of experience. Her in-depth knowledge about data recovery and fascination to explore new DIY tools & technologies have helped many. She has a great interest in photography and loves to share photography tips and tricks with others.