If you received this file from an unknown source or a suspicious Telegram channel, do not open it . Compressed archives are often used to hide malware or "zip bombs" that can harm your device once extracted.
: Once extracted, you can use any standard media player like VLC Media Player to watch it.
Because these numeric strings are auto-generated by the platform's servers, the content of the video isn't public unless it's shared in a specific channel or group. However, here is what that file extension tells you and how to handle it: What This File Is
: Right-click the file and select "Extract" or "Unzip." This will reveal the actual .mp4 video file.
: Files starting with 2_ followed by a long string of digits are almost always internal filenames from Telegram's database.