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waynog Author

Level 1

31 points

Quicktime won't play all mp4

Hi some files won't play with Quicktime, I have to right click and "open with VLC" is there an add on or something I need for my QuickTime? ( 10.50 ) on Catalina (10.15.5)

Mac Pro

Posted on Jun 25, 2020 1:46 AM

Top-ranking reply

Marco Klobas

Level 6

8,279 points

Posted on Jun 25, 2020 2:07 AM

mp4 is a container. If the codec isn't recognized by QuickTime your only options is to use alternative player as VLC or IINA (https://iina.io).

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Quicktime won't play all mp4

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