Standard players might struggle if the codec is old. I recommend using VLC Media Player as it can play almost any video format regardless of naming errors. 3. Inspecting Metadata
If you need to know exactly what is in the file without watching it, you can use a tool like MediaInfo . It will tell you: When the video was actually created. Writing Library: What software was used to save the file. Live2002-01-401.mp4.mp4
If you are having trouble playing the .mp4.mp4 (which looks like a double extension error), try these steps: Standard players might struggle if the codec is old
, and are you having trouble getting it to play? try these steps: