The .MP4 extension indicates it is a standard digital multimedia container used for video and audio.
The filename is a generic UUID (Universally Unique Identifier) typically generated by devices like iPhones, iPads, or digital cameras when a video file is created but not yet manually named. What this filename tells us: 56EC4783-A3DE-4BF3-9435-2EBD75852A33.MP4
Likely recorded on an Apple device (iOS/macOS) or a modern digital camera. 56EC4783-A3DE-4BF3-9435-2EBD75852A33.MP4
Right-click the file and select Properties (Windows) or Get Info (Mac) to see the "Date Created" or "Location" where it was filmed. 56EC4783-A3DE-4BF3-9435-2EBD75852A33.MP4
Since this is a unique local filename, there is no public database that lists its specific contents. To identify what is in the video, you can: