Video-6b1793db763207856af8e11bf5b4bf16-v.mp4

Right-click the file and select Properties (Windows) or Get Info (Mac) to see the creation date, duration, or frame size.

Apps like WhatsApp often rename shared videos with long alphanumeric strings. video-6b1793db763207856af8e11bf5b4bf16-V.mp4

If you want to know what the video contains without playing it (or if you can't open it), you can: Right-click the file and select Properties (Windows) or