If your file is named 06. Shor.mkv.mp4 , it might be an MKV file that was manually renamed or an MP4 file with a confusing name.
: Right-click the file and select Properties to see the "Type of file". 06. Shor.mkv.mp4
If you need to change the file format for better compatibility (e.g., for mobile devices or specific editing software), use these methods: Method 1: Using VLC Media Player (Simplest) If your file is named 06