M4V

Forum discussion tagged with M4V.
  1. P

    Most Common File Format?

    Hope I have this in the right place. I've been working on a project and have run into a problem. I've encoded some files with Handbrake which output them as .m4v files. Is this a common file type that most devices will be able to play? I've loaded these onto a flash drive as a surprise gift, but...