MP4 files can use different video and audio codecs, and if your media player doesn’t have the right codecs installed, it won’t be able to play the video. This is a common problem, especially ...

(1) A handheld device that plays video in the MPEG-4 movie file format. See MP4 and portable video player. (2) Any media player software or Blu-ray/DVD player that supports the MP4 movie file format.

In this video, I guide you through converting any video file to MP4 using Cloud Convert ... I recommend using VLC media player, which is a free desktop application. VLC can handle larger video ...