Canon EOS REBEL T6i Instruction Manual page 289

Playback and Editing with a Computer
If you want to play back or edit a movie with commercially-available
software, use software compatible with MP4-format movies. For details on
commercially-available software, contact the software manufacturer.
To play back or edit a movie, use pre-
installed or general-purpose software,
compatible with the movie's recording
format.
k Enjoying Movies
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