: Tap the three-dot menu next to the file in Telegram and select "Save to Downloads" . This often restores the original filename .
Once you have identified the content (e.g., a specific film, tutorial, or recorded session), you can use the following structure for your paper: AgADYggAAmDTCVc.mkv
: Document the original file properties and any tags found in the MKV header. : Tap the three-dot menu next to the