An MP4 (MPEG-4 Part 14) is a universal "container" format. This means it can hold not just video, but also audio, subtitles, and still images. Because it is highly compressed, it is the most popular format for sharing videos over the internet without losing too much quality. How to Open the File
: Download the VLC Media Player , which is a free tool that can play almost any video format. Managing and Converting Your Video
: Use the default gallery app or a dedicated MP4 Viewer from Google Play .
: Right-click the file, select Open with , and choose Windows Media Player or the Movies & TV app.