Connect your device via USB. On a Mac, use Photos or Image Capture . On Windows, use the Photos app to import the file.
Select the video and click the icon (the cloud with the downward arrow). Download IMG 5716 MOV mp4
Tip: If you click and hold the download button, you can choose "Most Compatible" to download it in a format closer to MP4. Connect your device via USB
Use Handbrake (free/open-source) or VLC Media Player . In VLC, go to Media > Convert/Save , add your file, and choose the Video - H.264 + MP3 (MP4) profile. go to Media > Convert/Save