Agadtaiaakxheeq.mkv

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 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. AgADtAIAAkXhEEQ.mkv

If you found this in your device's "Telegram Documents" or "Telegram Video" folder, it is likely a video that was downloaded but not explicitly "saved to gallery/downloads" with its original name. Since the filename is randomized, you cannot determine

Use a player like VLC Media Player or MPC-HC , which are designed to handle .mkv files regardless of their filename. Use a player like VLC Media Player or

If you still have the chat, look for a video file sent around the time this file was created.

Right-click the file and select Properties (Windows) or Get Info (Mac). Sometimes the "Details" tab will contain the original title or tags.

This specific naming convention ( AgAD... ) is a unique file ID generated by Telegram.