A daily updated filename extension database!

Details of the .mum file extension

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

  • What is the .mum file?
  • What program do I need to open a .mum file?
  • How can the .mum file be opened, edited or printed?
  • Where can I find the specifications for .mum?
  • Which MIME-type is associated with the .mum extension?
  • How can I convert .mum files to another format?
  • What are other, similar filename extensions to .mum?

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

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

.mum file extension details

Microsoft Windows Update Package

Microsoft Windows Update Package .mum file icon
MUM file is a Microsoft Windows Update Package.
MUM format description not yet available
Category: Other files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MUM aliases:
MUM related links:
MUM related extensions:
Microsoft Windows Security Catalog

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

.mum file extension error

The .mum file extension is often given incorrectly!

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

mm, mul, mjm, muk, mhm, mmu, hum, mu, mkm, umm, lum, num

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

FreeMind MindMap
Matrix Market File
SeeYou Multiple Flights Data
MIME Encoded Data
Multak Mini 8162 Encoded Audio
Microsoft Mouse and Keyboard Center Macro
JMF Mime Package
Epic Warhammer 40k: Final Liberation Game Data
Mall Tycoon Game Data
myPM Merge Data
open .mum file

Can't open a .mum 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 .mum file association, check the FAQ.

.mum file extension

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 .mum file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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