Canon opture 10 Instruction Manual page 241

In the Camera Window and Browser Area, movies are displayed with the first
scene as a still image with a movie icon ( ). When you double-click the
thumbnail in the Browser Area, QuickTime Player starts and plays back the
movie.
1.
In the Browser Area, double-click a thumbnail with a
(movie) icon.
QuickTime Player starts.
2.
Click the ~ (play) button in QuickTime Player.
The movie will be played back.
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