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Can't get videos to play in QuickTime Player version 10.5 on iMac M3

we have bought the latest iMac computer with M3 chip and cannot get our videos to play in QuickTime Player 10.5 version, however the same version is on my laptop with M1 Max chip which plays the video, any suggestions or help with this? Has this been superseded with another app?


[Re-Titled by Moderator]

iMac 24″, macOS 14.3

Posted on Feb 8, 2024 2:54 AM

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Question marked as Top-ranking reply

Posted on Feb 21, 2024 11:49 PM

Quit Quicktime Player, and try if moving these folders to the Desktop folder (just in case before deleting them) helps:


~/Library/Containers/QuickTime Player

~/Library/Containers/com.apple.QuickTimePlayerX/Data


If not, try to make a dummy user and see if Quicktime Player works in that account.


I have found IINA to be a good simple player for the codecs and wrappers that QuickTime Player does not support (H.265 with Codec ID hev1, Chroma subsampling 4:2:2 (Bit depth 10 bits) in Mojave, VP8, VP9, Opus audio, Vorbis audio, .avi, .webm, .mkv).


https://iina.io

3 replies
Question marked as Top-ranking reply

Feb 21, 2024 11:49 PM in response to gcorri

Quit Quicktime Player, and try if moving these folders to the Desktop folder (just in case before deleting them) helps:


~/Library/Containers/QuickTime Player

~/Library/Containers/com.apple.QuickTimePlayerX/Data


If not, try to make a dummy user and see if Quicktime Player works in that account.


I have found IINA to be a good simple player for the codecs and wrappers that QuickTime Player does not support (H.265 with Codec ID hev1, Chroma subsampling 4:2:2 (Bit depth 10 bits) in Mojave, VP8, VP9, Opus audio, Vorbis audio, .avi, .webm, .mkv).


https://iina.io

Can't get videos to play in QuickTime Player version 10.5 on iMac M3

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