Right-click the file and select Properties (Windows) or Get Info (Mac) to see the "Date Created" or "Location" where it was filmed.
The .MP4 extension indicates it is a standard digital multimedia container used for video and audio. 56EC4783-A3DE-4BF3-9435-2EBD75852A33.MP4
Likely recorded on an Apple device (iOS/macOS) or a modern digital camera. Right-click the file and select Properties (Windows) or
If you use Google Photos or iCloud , type the filename into the search bar; these services often index the original filename even after you've moved the file. 56EC4783-A3DE-4BF3-9435-2EBD75852A33.MP4
Do you have about where you found this file or are you trying to recover a lost video ?