Isn't an m4v just an mp4 file with a different extension? You can't play it in QuickTime?
I don't see the harm in trying to change the extension to mp4 - if it doesn't work you can always change it back, no harm done.
Isn't an m4v just an mp4 file with a different extension? You can't play it in QuickTime?
I don't see the harm in trying to change the extension to mp4 - if it doesn't work you can always change it back, no harm done.