Open the file using a universal media player like VLC Media Player , which can play almost any MP4 file regardless of its filename .
MP4 File Not Playing [Fixed] with 3 Advanced Solutions - EaseUS 5e92aa9a971e2b6e4b783_source.mp4
Providing the website URL or the context in which you found it would help in identifying the exact video content. How to Create and Open an MP4 File Open the file using a universal media player
Platforms like Webflow or Squarespace often rename uploaded assets using unique identifiers to prevent file overwrites. Right-click the file (on Windows) and select Properties
Right-click the file (on Windows) and select Properties > Details , or use a tool like MediaInfo to see if there is an original title or "Author" metadata embedded in the file.
If you have this file or a link to it, you can identify its contents using these methods: