Mac users often play their favourite video by using the built-in media player known as “QuickTime”. It is a multimedia player that supports a wide range of video file formats. But sometimes users encounter an error message “The document “abc.mp4” could not be opened. The file isn’t compatible with QuickTime Player” while trying to play the MP4 file. Thus, if you are one such user and want to know why your QuickTime player can’t open MP4 on Mac, and how to fix this issue? Check out this post!
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.