A mum file extension is related to the Microsoft Windows operating system. A mum file stores settings for update packages.

There is one other file type using
the MUM file extension!

empty icon.mum - MATlab unit operation model

Detailed description

Software that open mum file

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MUM file extension - Microsoft Windows Update Package

What is mum file? How to open mum files?

File type specification:

System file type icon System file type

mum file icon: mum filetype icon

The mum file extension is associated with Windows update function included in Microsoft Windows Vista or Windows 7 operating systems.

The mum files are package containing a software update or "hotfix" for Windows OS, which are installed by Windows using the built-in software update program. The main update file is named Update.mum.

The mum files usually use the following file naming convention:

Package_[#]_for_kb[number]~[string]~[OS_version]~~[update_version].mum

The default software associated to open mum file:

Microsoft Windows icon

Microsoft Corporation logoMicrosoft Windows  Microsoft Windows software

Company or developer:
Microsoft Corporation

A family of operating systems developed by the Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS. MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Microsoft Windows 11.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Conversion to other formats is not possible.

List of recommended software applications associated to the .mum file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open mum file, edit mum file, convert mum file, view mum file, play mum file etc. (if exist software for corresponding action in File-Extensions.org's database).

Settings file type for software that use mum file - Microsoft Windows Update Package

Programs supporting the exension mum on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for settings mum file action.

Microsoft Windows:

Main software associated with mum file by default:
Microsoft Windows small icon Microsoft Windows
Other suggested software:
Microsoft Windows 10 small icon Microsoft Windows 10
Microsoft Windows 8 small icon Microsoft Windows 8
Microsoft Windows 7 small icon Microsoft Windows 7
Microsoft Windows Vista small icon Microsoft Windows Vista

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