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Quicktime player won't open QT movie file

"This file contains some media which isn’t compatible with QuickTime Player."

I'm on a MacStudio with OS Ventura. I think everything is updated but I can't get some movie files to play.




Posted on Jul 28, 2023 7:18 PM

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Posted on Jul 28, 2023 8:49 PM

Either the video codec or audio code or something else inside the file isn’t compatible with QuickTime Player. There are many reasons why that can happen; e.g. made with old software, made with different software.


If all you need is playback, then try alternative media players: VLC or IINA.

If QuickTime compatibility is very important to you, then you may want to convert. I would suggest HandBrake, as it has nice presets for compatibility with devices.

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Question marked as Top-ranking reply

Jul 28, 2023 8:49 PM in response to Heidi Kumao

Either the video codec or audio code or something else inside the file isn’t compatible with QuickTime Player. There are many reasons why that can happen; e.g. made with old software, made with different software.


If all you need is playback, then try alternative media players: VLC or IINA.

If QuickTime compatibility is very important to you, then you may want to convert. I would suggest HandBrake, as it has nice presets for compatibility with devices.

Quicktime player won't open QT movie file

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