What Are MKV Files?
From the beginning, you must specify that MKV files are not an audio or video compression format.
MKV files are multimedia container formats. An MKV container can incorporate video, audio, and subtitles into a single file even if different types of encoding are used.

Matroska developers included some key features such as:

- Fast search
- Different selectable audio and video streams
- Online streaming connectivity
- Support for chapters, menus and metadat...