Open MKV File

Information, tips and instructions


Open MKV File

MKV file extension is used for files in Matroska multimedia container format. Matroska file format was created in 2002 based on the Multimedia Container Format. Matroska format and MKV file is widely popular storage format for multimedia files on the internet. In October 2014 it was announced by Microsoft that Windows 10 will support Matroska format and open MKV files out of the box.

MKV is a container file format which means it can store many audio, video and subtitles streams. MKV makes it possible to store an entire movie content in one file. MKV file format is based on Extensible Binary Meta Language (EBML). EBML is a binary standard but its structures resemble XML and could be interpreted as a binary markup. This makes it easy to construct very complex nested structures inside the binary file. EBML allows MKV files to support following features:

  • Rich metadata support including chapter and menu
  • Fast forward, rewind and seek
  • Recovery from some types of errors
  • Select different audio and video streams
  • Stream online
  • Subtitles stream support

Matroska is an open-source and royalty-free format available for anyone to use. Matroska specification is available at the official Matroska website (https://matroska.org/technical/specs/index.html).

You can open MKV file using various media players including VLC Player from VideoLAN Organization, Windows Media Player, DivX Player.

You can also convert MKV files to different formats using VLC Player conversion functionality, WinX Video Converter or Handbrake open-source conversion tool.

Besides MKV Matroska allows usage of MK3D file extensions for stereoscopic video, MKS for subtitles and MKA for audio-only files.

MKV files are transferred over e-mail or internet using video/x-matroska and audio/x-matroska multipurpose internet mail extensions (MIME) types.

Below are file extensions similar to MKV:

  • MP4 – Mpeg-4 video file
  • AVI – Audio Video Interleave file
  • QT – QuickTime file format
  • SWF – Shockwave video file

Get more information about how to open MKV file.

Also check how to open ASPX file and open SB2 file on Open File Database.

If you are not able to open file with certain file extension make sure to check if extension for the file is correct. It is possible that information in the file doesn't match file extension.

File Extension Info

DOC Quick Info
  Matroska Container Video File Format
MIME Type
  video/x-matroska   audio/x-matroska
Opens with
  VLC Player
  DivX Player