: A specific asset ID within a private database or cloud storage (like iCloud, Google Drive, or a corporate server).
: A video file stored in a cache folder (e.g., from a streaming service or a messaging app like WhatsApp or Telegram). 0fede900-ccea-4462-bbcb-8458f2cb9981.m4v
If this is a file you found on your device, you might try opening it with a media player like to see the content, or checking the folder location to see which app created it. : A specific asset ID within a private