Ensure it actually ends in .mp4 . If you see .mp4.exe , do not open it —it is malware. 5. Metadata Investigation
Use VLC Media Player . It can play almost any MP4 regardless of how it was encoded. 71927-_1668309908.mp4
Since I don't have the file itself, I’ve put together a guide to help you identify, open, and manage this specific type of media safely. 1. Identifying the Source Ensure it actually ends in