The file format (Matroska Video). MKV files are popular because they can hold multiple audio tracks and subtitle tracks in one file. How to Play the File
This file name suggests it is a digital copy of the 2019 Academy Award-winning South Korean film , likely sourced from a third-party file-sharing site. About the Film Director: Bong Joon-ho Genre: Dark Comedy / Thriller Parasite2019480pBluRayHindiKoreanTheMoviesFlixorgmkv
Be cautious of "guides" that ask you to download additional "codecs" or software to open the file, as these are often malware. The file format (Matroska Video)