If a specific MP4 file like this won't open, it may require a specific codec update or a more versatile player like VLC Media Player . Popular Types of Video File Formats - Adobe
An MP4 file, formally known as , is a digital multimedia container format most commonly used to store video and audio.
Digital cameras and smartphones often assign random alphanumeric strings to files as they are recorded.
MP4 files can also store other data such as subtitles and still images, making them highly efficient for streaming and sharing.