Help! QuickTime won’t play MP4 files?
“Hi, I have a couple of of MP4 files that will not open and play with my QuickTime player. Is it possible to fix this issue because I want to play these MP4 files with QuickTime? Please help!”
Though QuickTime claims to support MP4 format, sometimes you still can’t open MP4 files with QuickTime or the opened .mp4 file only plays sound without picture or QuickTime won’t play MP4 at all. The reason why QuickTime won’t play MP4 video as well as the solution to play any MP4 file with QuickTime on Mac or Windows is explained below.
Reason behind QuickTime won’t play MP4 file
QuickTime won’t play MP4 file properly on Mac OS X can be mainly due to two main parts such as:
Effective solution to fix MP4 won't play on Mac QuickTime player
When a media player, be it QT, WMP or VLC can’t play MP4 file even after the installation of necessary codecs and updated drivers on your Mac, then it clearly indicates that the video is corrupt or damaged. To repair damaged MP4 file on Mac, free MP4 file repair tool from Remo Repair is recommended.
Note: Both demo and paid version of Remo Repair tool are similar in operation but the “Save” button is disabled in the demo edition. To save the fixed video files back to your Mac, activate the licensed version.
Characteristics & Benefits of Remo Repair tool
Free download Remo Repair MOV tool that supports MP4/MOV/M4V video format and install it on your Mac OS X. After installing, run the software and follow the below guide to learn how to fix QuickTime won't play MP4 video issue.
Step 1: Launch Remo Repair MOV and select the MP4 file that QuickTime won’t play properly by using “Open” option, then click on “Repair” to fix QuickTime won't play MP4 video.
Step 2: Wait patiently until the software automatically fixes the issues in the selected video or click “Abort” option to interrupt the repair process.
Step 3: After completion of file repair process, click “Preview Repaired File” option to view the repaired video and click “Save Repaired File” button to save the fixed MP4 file.