If you still have the chat, look for a video file sent around the time this file was created.
Use a player like VLC Media Player or MPC-HC , which are designed to handle .mkv files regardless of their filename. AgADtAIAAkXhEEQ.mkv
If you received this file from an unknown source or a suspicious bot, be cautious about opening it, as randomized filenames are sometimes used to mask the true nature of content. If you still have the chat, look for
Since the filename is randomized, you cannot determine the content by the name alone. To see what is in the file, you can: If you still have the chat