MacOS - Enable/Disable autoplay of videos under Quicktime

March 2017


To enable the autoplay of movies under Quicktime:
  • Open a terminal and type the following command:
    • defaults write com.apple.QuickTimePlayerX MGPlayMovieOnOpen 1
  • To disable it:
    • defaults write com.apple.QuickTimePlayerX MGPlayMovieOnOpen 0

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Published by jak58.
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