Because these names are randomly generated IDs assigned by Telegram's servers, it is impossible to know the specific content of the video without more context. However, here is what the filename tells us:
If you found this file on your device, it likely came from one of the following:
: This is a high-quality video container that can hold multiple video, audio, and subtitle tracks. Common Sources for This File Type AgADygADo-p4Rw.mkv
The filename follows a naming convention typically used by Telegram for media files (specifically video files in the Matroska format).
: This prefix is a unique identifier used in Telegram's internal file system. Because these names are randomly generated IDs assigned
Do you remember which or chat you might have downloaded this from?
, you can try opening the file with a versatile media player like VLC Media Player or MPC-HC, which are capable of reading .mkv files even if they have metadata issues. : This prefix is a unique identifier used
: If you were viewing videos on Telegram recently, the app may have cached it with this encrypted name.