Specifically the Telegram Video or Documents directory on your device.
This is a Matroska Video container. It is a flexible, open-standard format that can hold unlimited tracks of video, audio, picture, or subtitle tracks in one file. AgADkwgAAmRUiFY.mkv
Open the file using a versatile media player like VLC Media Player , which handles .mkv files and various codecs natively. Specifically the Telegram Video or Documents directory on
Files saved via bots or "Save to Gallery" actions. Cache Files: Temporary files stored by messaging apps. Recommendations Open the file using a versatile media player
Do you have on where this file was found or what you expect the video to be?
The prefix AgAD is a common characteristic of Telegram's internal file naming convention for media attachments. Because this name is an alphanumeric string generated by a server rather than a descriptive title, the specific content of the video cannot be determined by the filename alone. Technical Profile
Once you’ve viewed the file, it is best to rename it to something descriptive (e.g., Vacation_Video.mkv ) to make it searchable in the future.