Platforms like Webflow or Squarespace often rename uploaded assets using unique identifiers to prevent file overwrites.
If you found this filename in a website's source code, it is likely a background video or a hero section element for that specific site. 5e92aa9a971e2b6e4b783_source.mp4
Open the file using a universal media player like VLC Media Player , which can play almost any MP4 file regardless of its filename . Platforms like Webflow or Squarespace often rename uploaded