HT201290: If QuickTime Player can't open an audio or video file

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Q: Cannot open m4v/mpeg4 video on a PNY thumb drive using Yosemite on new iMac desktop?

Video on PNY thumb drive does not open and gives message: QuickTime Player can't open "2014-01-09 08_25_32.m4v".  How do I open this?

iMac (21.5-inch, Late 2012), OS X Mavericks (10.9.3), rck

Posted on Dec 15, 2014 5:45 AM

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Q: Cannot open m4v/mpeg4 video on a PNY thumb drive using Yosemite on new iMac desktop?

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