Mac thinks my M4V files are MS Excel files???

Discussion in 'Mac Basics and Help' started by convergent, Dec 21, 2011.

  1. convergent macrumors 68030


    May 6, 2008
    I have some h.264 video files saved as M4V files and they work fine. I copied them to a NAS for accessing from an Apple TV. Then I tried to access them from my Mac and a GetInfo says they are Microsoft Excel files... even though they are still .m4v extension, and I can open and play them in Quicktime if I force it to open them in Quicktime. If I just double click on them, I get an error now. Any idea how I can fix this?
  2. Knoodles macrumors 6502


    Feb 2, 2003
    Gone to the Beach
    In the "get info" window of one of the .mkv files change "open with" from excel to quicktime the click the change all button

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