convert mp4 to mov

Q:"MP4 videos won't play on my iPhone, how do I change these to .MOV file?" - O.Court from Apple Communities

Support that you meet the same problem as O.Court. You have just transferred all your videos to your iPhone from a Windows computer. Then you find some of your video files cannot be played on your iPhon. A message comes up to say the video format is unsupported. You check the video formats and discover that they are in MP4 format. In this situation, you need some tools to convert MP4 to MOV.