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.MOV videos will not open on QuickTime or iMovie

Hi, I already have Catalina upgrade and my .MOV video files will not open in QuickTime or iMovie. How can I convert these files and what is the appropriate file format I should covert to?


[Re-Titled by Moderator]

Posted on Jan 15, 2022 3:42 PM

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6 replies

Jan 22, 2022 8:31 PM in response to Monika_mo_ments

In the Photos app library that that you have designated as the system photo library, you can go to Photos/Preferences/iCloud and enable iCloud Photos. That should back up your system Photos library. However, it isn't really a total backup but rather a syncing feature.


I suggest that you post your question in the Photos for Mac forum, as the contributors there are very expert in the use of the Photos app. I do not use iCloud Photos so not completely familiar with the subtleties of it. Here's the link:


https://discussions.apple.com/community/mac_os/photos_osx


-- Rich

Jan 15, 2022 4:06 PM in response to Monika_mo_ments

Try converting your .mov clips to H.264, Mp4/AAC with the free download, Handbrake. Handbrake will do it by default. Do that even if the codec already is indicated to be Mp4/AAC. Re-rendering often cures the issue.


You can get Handbrake here:


https://handbrake.fr/


A simple way to do it is to open Handbrake and do a File/Open Source. Navigate to your video and choose it as the source from the resulting screen. Then do File/Start Encoding. Wait a couple of minutes for the conversion to complete. Then save and import the converted clip into iMovie.


-- Rich


 

.MOV videos will not open on QuickTime or iMovie

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