Canon EOS-1D X Mark II DSLR Camera (Body Only) - Manual (Page 368)

k Enjoying Movies
368
The movie files recorded on the card can
be transferred to a computer and played
back or edited with pre-installed or
general-purpose software compatible
with the movie’s recording format.
Playback and Editing with a Computer
To play back or edit a movie with commercially-available software, use
software compatible with MOV-format and MP4-format movies. For
details on commercially-available software, contact the software
manufacturer.
MOV-format movies can also be played back with EOS MOVIE Utility
(EOS software, p.553).