Forum Discussion
Why quicktime not playing mp4 files on mac and windows pc?
It is an MP4 video file downloaded from Bluesky app. When I was trying to play the mp4 file on my Mac, this error message pops up: This file contains some media which isn’t compatible with QuickTim...
The codes is not supported by Quicktime player. You need to convert it to MP4 or MOV with a dedicated video conversion software.
Go and give a try on the Any2DVD app: https://www.egardget.com/quicktime-not-playing-mp4-files-on-mac