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MKV file extension

The table below provides useful information about the .mkv file extension. It answers questions such as:

  • What is the .mkv file?
  • What program do I need to open a .mkv file?
  • How can the .mkv file be opened, edited or printed?
  • How can I convert .mkv files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Matroska Video

MKV file is a Matroska Video container. Matroska is a project to develop an open source multimedia container format similar to Apple's QuickTime, MPEG's MP4 or Microsoft's Advanced Streaming Format.
Category: Video files
Application: Matroska Splitter
Mime-type: video/x-matroska
Magic number: -
Magic string: -
Sample: -
MKV aliases:
MKV related links:
MKV related extensions:
Microsoft Video for Windows Movie

QuickTime Movie

Multimedia Viewer Book

Mpeg-4 Video Container

Advanced Systems Format Media

Digital Video

Adobe Flash Video File

Indeo Video File

Matroska Audio

Microsoft Windows Movie Maker Project

Other types of files may also use the .mkv file extension.

🚫 The .mkv file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hkv, kmv, kv, mk, mkb, mkc, mkd, mkf, mkg, mlv, mmv, mov, mv, nkv

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Autodesk Maya ASCII Motion Data
QuickTime Movie
GNU Makefile
LabVIEW Mathscript
Magic Lantern RAW Video
Eyesight IP Camera Video
MokkAnnotator Mokkan Glass Data
Pervasive SQL Database
Sansui Mobile DJ Video
Miva Script Source Code

🔴 Can't open a .mkv file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .mkv file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .mkv file extension, write to us!

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