Quicktime not opening a quicktime file
MacBook Air 13″, macOS 13.6
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MacBook Air 13″, macOS 13.6
.mov wrapper can have various video and audio codecs, some of which might be incompatible with some macOS versions. You can check the codecs with MediaInfo or Invisor. Scroll down in this forum or do a search for more details.
Quicktime not opening a quicktime file