The filename AgADYggAAmDTCVc is likely a or a generic hash generated by Telegram Desktop when a file's original name is not preserved. On Android, Telegram often saves files using these alphanumeric strings in the "Telegram Documents" folder rather than their descriptive titles. How to Identify the Content
: The descriptive name of the video (not the filename). AgADYggAAmDTCVc.mkv
: Tools like MKVToolNix can read the header information to see if a "Title" tag exists even if the filename is obfuscated. The filename AgADYggAAmDTCVc is likely a or a
: A brief summary of the video's purpose and key takeaways. AgADYggAAmDTCVc.mkv