What is a mkv file and how do I open a mkv file?

An MKV, or Matroska file, is created in an open source container format and is an alternative to AVI and MP4 video and audio formats. MKV files contain compressed video and audio streams produced with an encoder. The MKV video format is popular in the anime community because it supports multiple audio and subtitle tracks in the same file. A codec, or decoder, is required to play MKV files. Several players, such as DivX Player, support MKV files on both Mac and Windows systems. They can also be viewed on mobile devices such as Palm, Symbian and Pocket PC using CorePlayer Mobile software.

VLC (also known as Video Lan Organization) is a free and open source multimedia player and framework that plays most multimedia files, including .MP4, .AVI, .MPG, .MKV, .RM, .RMVB, .WMV, .MP3, .H264, .MOV, .3GP, .OGG, .WAV, .DTS, .AAC and .FLV files. As well as DVDs, Audio CDs, VCDs, and various streaming protocols. VLC runs on most operating systems including Windows, Mac and Linux.
		

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