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Treasured's Movie Repair Guide -- MOV Files

What is MOV?

MOV is the extension used for QuickTime files, a multimedia file format created by Apple in 1991 and used by the production and broadcasting industries.

MOV is not a video or audio format, but a container format:

MOV versus MP4

MP4 container format is directly based on the QuickTime File Format (QTFF):

MOV has several strong points:

MOV vendors

MOV has also some drawbacks:

Structure of QuickTime MOV files

MOV files are structured in atoms that can be nested into many sub-levels, like nested boxes.
QuickTime file format allows for very diverse and complex structures, but the simplest and most common one is populated with 3 top level atoms:

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Version 4.5 • Nov '19 • 10 MB • Mac OS X