: If the file does not play, it may have been corrupted during a transfer or due to a power outage while saving. Contextual Note
: An MP4 is a universal digital multimedia container format most commonly used to store video and audio. It is highly compatible with nearly all modern devices and web browsers. How to Use or Open This File
: On a Windows PC, you can right-click the file and select "Open with" to choose a player like Windows Media Player or the Movies & TV app .