The filename appears to be a specific video file distributed through online messaging or file-sharing platforms like Telegram .
If your device doesn't recognize the file, you can often fix it by simply renaming the file to end in a single .mp4 . RAJJO 2.mp4.mkv.mp4
If the file doesn't play in your default viewer, try VLC Media Player . It is a "universal" player that ignores most naming errors and plays the underlying video data directly. The filename appears to be a specific video
Files with confusing extensions (e.g., file.mp4.exe ) can sometimes be malware. However, .mp4.mkv.mp4 is usually just a poorly named video file. Always use an updated antivirus before opening. It is a "universal" player that ignores most
Although it ends in .mp4 , the multiple extensions suggest it may have been wrapped in an MKV container at some point. Most modern media players like VLC Media Player or MPC-HC can handle these files regardless of the naming quirk.