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MPACK file extension

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

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

✅ Mpack Encoded MIME Message

MPACK file is an Mpack Encoded MIME Message. Mpack is a Unix command-line utility for manipulating MIME-encoded messages.
MPACK format description not yet available
Category: Data files
Application: mpack
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MPACK aliases:
MPACK related links:
MPACK related extensions:

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

🚫 The .mpack file extension is often given incorrectly!

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

hpack, mpak, pack

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Pack200 Archive
µVision Software Package
Haskell Package
Battlestations: Midway Data

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

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