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  1. #1
    Question Old MPEG-4 files
    A few years ago I created (converted) some videos to mp4. At the time, I had no trouble playing the videos using the Mac provided Quicktime player. Now Quicktime Player (Vers 10) cannot open those files. I also tried 4 or 5 different video converters with no success. I also tried the OS 10 utility "File Viewer". The files all have the extension, ".mp4". The Finder thumbnail displays the Quicktime logo, "MPEG-4 video", and the file size in GB.

    I tried opening the files in Quicktime Player v7, but it only recognizes files with the ".mov" extension.

    Any suggestions?

  2. #2
    Old MPEG-4 files

    Member Since
    Dec 11, 2010
    Location
    Chicago
    Posts
    1,756
    Your Mac's Specs
    late 2012 mini w/SSD
    Pretty sure you can open these with VLC:
    https://www.videolan.org/index.html

  3. #3
    Quote Originally Posted by gsahli View Post
    Pretty sure you can open these with VLC:
    https://www.videolan.org/index.html
    VLC was one of the converters I tried without success.

  4. #4
    Old MPEG-4 files
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, USA
    Posts
    4,935
    Your Mac's Specs
    L2014 Mac mini macOS 10.14, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Try changing a copy of one file to the extension of m4v? Or, you should be able to use Handbrake to convert the files?

    https://handbrake.fr
    Last edited by ferrarr; 05-12-2018 at 03:23 PM. Reason: added link
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  5. #5
    Old MPEG-4 files
    Slydude's Avatar
    Member Since
    Nov 16, 2009
    Location
    North Louisiana, USA
    Posts
    13,409
    Your Mac's Specs
    2.8 GHz 2008 MacBook Pro 10.11, 8 GB mem, iPhone XS, 2015 iMac 16 GB 10.14.1 beta
    If you use Disk Utility to run Disk First Aid on the drive that contains the files are any errors reported?

  6. #6
    Quote Originally Posted by ferrarr View Post
    Try changing a copy of one file to the extension of m4v? Or, you should be able to use Handbrake to convert the files?

    https://handbrake.fr
    Tried both. No luck.

  7. #7
    Quote Originally Posted by Slydude View Post
    If you use Disk Utility to run Disk First Aid on the drive that contains the files are any errors reported?
    Ran Disk First Aid. Did not help.

  8. #8
    Would this thread be better off in Digital Lifestyles/Movies and Videos?

  9. #9
    Old MPEG-4 files
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    56,329
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    Quote Originally Posted by John DeYulia View Post
    Would this thread be better off in Digital Lifestyles/Movies and Videos?
    That's where it is now.

  10. #10
    Old MPEG-4 files
    Slydude's Avatar
    Member Since
    Nov 16, 2009
    Location
    North Louisiana, USA
    Posts
    13,409
    Your Mac's Specs
    2.8 GHz 2008 MacBook Pro 10.11, 8 GB mem, iPhone XS, 2015 iMac 16 GB 10.14.1 beta
    Quote Originally Posted by chscag View Post
    That's where it is now.
    John's not hallucinating. I moved the thread after I read his post.

  11. #11
    Old MPEG-4 files
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, USA
    Posts
    4,935
    Your Mac's Specs
    L2014 Mac mini macOS 10.14, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  12. #12
    I located one of the problem files on my backup hard drive, copied it to computer's drive and suceeded in opening it with Quicktime Player. Now I'm searching the backup drive for the other files.

  13. #13
    Old MPEG-4 files
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, USA
    Posts
    4,935
    Your Mac's Specs
    L2014 Mac mini macOS 10.14, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Good thinking.
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

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