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My Macbook Pro will not play an "MPEG-4" file I had converted from an MTS file. It says, "QuickTime Player can't open "QA 1 of 5.mp4" because the movie's file format isn't recognized."

My Macbook Pro will not play an "MPEG-4" file I had converted from an MTS file.


I get the following message when I attempt to open it:


"QuickTime Player can't open "QA 1 of 5.mp4" because the movie's file format isn't recognized."


Help please. I need it in iMovie.

iPhone 4S, iOS 5.1.1

Posted on Jul 29, 2013 1:24 PM

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My Macbook Pro will not play an "MPEG-4" file I had converted from an MTS file. It says, "QuickTime Player can't open "QA 1 of 5.mp4" because the movie's file format isn't recognized."

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