How to Fix QuickTime Player Can't Open MP4 Error In addition, other causes could come down to the outdated version of QuickTime, file damages, data loss, and more. mp4 file isn't compatible with QuickTime Player. As a result, encountered with the MP4 container that holds miscellaneous metadata, it is likely to trigger the error message of MP4 won't open on Mac or the. Moreover, it could only access MP4 videos with MPEG-4, MPEG-2, H.264 video codec and MP3, AAC audio codec. But built with Apple's proprietary compression algorithm, QuickTime format shares comparably limited MPEG features, and enjoys less compatibility outside the Mac systems. Why QuickTime Player Can't Open MP4 Sometimes (Fixed)īoth encoded with the MPEG-4 codec, MP4 (MPEG-4 Part 14) is essentially identical to QuickTime file format (MOV). How to play MP4 on Mac exactly? Read on to learn the details. Be that as it may, grumbles about QuickTime can't play MP4 or MP4 won't play on Mac still crop up here and there. and has been employed by numerous media players and video editors ever since its inception. Developed based on QuickTime format (MOV), the notoriety of this digital multimedia container is much attributed to its relation with Apple Inc. MP4, short for the less fetching title of MPEG-4 Part 14, is one of the most widely-accepted video file formats available today.

Summary: Check the 3 best MP4 player for Mac in this post, and play MP4 on Mac when QuickTime can't open MP4!

Apps to play mp4 on mac