High-quality movie backups or screen recordings.
Right-click the file, go to Properties (Windows) or Get Info (Mac). Look at the "Type of file" or "Kind." espl1080.mkv.mp4
A lightweight alternative for Windows users. IINA: A modern, sleek player for macOS users. 3. Troubleshooting Playback Issues High-quality movie backups or screen recordings
The most reliable option. It will play the file regardless of whether the extension is correct. espl1080.mkv.mp4