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What software do I need to play an .mp4 file?

I can't open a .mp4 file with QuickTime, so what software do I need in order to open this file?

MacBook Pro (13-inch Mid 2010), Mac OS X (10.6.8)

Posted on Feb 25, 2013 9:03 AM

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What software do I need to play an .mp4 file?

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