: Open the file in a media player like VLC and check the "Media Information" (Tools > Media Information) to see if there are any embedded titles or tags.
If you have this file and are looking for information about what is inside it, you can try the following: AgADUQsAAsKbQVY.mkv
: When you upload a video to Telegram, the service often renames the file using a unique alphanumeric string (starting with "AgAD...") for its internal database. : Open the file in a media player
: Look at the Telegram channel or chat where the file was originally posted. The caption or the surrounding messages usually provide the context. AgADUQsAAsKbQVY.mkv