: Right-click the file and select Properties (Windows) or Get Info (Mac) to see the file size, resolution, and creation date. Common Contexts :
If you are unsure what the video contains, check the following: 762777.mp4
: Numbered files like "762777" are often timestamped or indexed exports from security camera systems. : Right-click the file and select Properties (Windows)
: Ensure it isn't a "double extension" file (e.g., 762777.mp4.exe ), which is often malware disguised as a video. 762777.mp4