Canon EOS-1DX Instruction Manual page 267

Playback and Editing with a Personal Computer
To have the movie play back smoothly on a personal computer, use a
high-performance personal computer. Regarding the computer hardware
requirements for ImageBrowser EX, refer to the PDF file ImageBrowser
EX User Guide.
If you want to use commercially-available software to play back or edit
the movies, be sure it is compatible with MOV files. For details on
commercially-available software, contact the software maker.
The movie files recorded on the card can
be transferred to a personal computer
and played with ImageBrowser EX.
k Enjoying Movies
(p.426)
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