Some tools might ignore certain metadata, leading to display inconsistencies.
Unlike some other video formats, MKV files can hold an unlimited number of video, audio, and subtitle tracks in a single file. If the "paper" contains multiple parts, they might be organized as chapters within the video, which you can navigate using your media player's menu. Troubleshooting
If the file is not playing correctly or you need to extract specific parts:
Use VLC Media Player , which is widely considered the best tool for opening and playing .mkv files across Windows, Mac, and Linux.