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MJ2 file extension

The table below provides useful information about the .mj2 file extension. It answers questions such as:

  • What is the .mj2 file?
  • What program do I need to open a .mj2 file?
  • How can the .mj2 file be opened, edited or printed?
  • How can I convert .mj2 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

✅ Motion JPEG 2000 Video

MJ2 file is a Motion JPEG 2000 Video. JPEG 2000 is a wavelet-based image compression standard. It was created by the Joint Photographic Experts Group (JPEG).
Category: Video files
Mime-type: video/mj2
Magic number: -
Magic string: -
Sample: -
MJ2 aliases:
MJ2 related links:
MJ2 related extensions:

JPEG 2000 Bitmap Image

JPEG 2000 Code-stream Data

Other types of files may also use the .mj2 file extension.

🚫 The .mj2 file extension is often given incorrectly!

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

j2, m2, m2j, mi2, mj, mn2

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Juki AMS Embroidery Data
Gargoyle Story Document
Descent 2 Mission Data
World of Warcraft Model Object
Moldex3D Shell Project
AutoDesk Softimage Data
MovieJack DVD Ripper File
Palladio ModelJoin Query File

🔴 Can't open a .mj2 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 .mj2 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 .mj2 file extension, write to us!

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