MUN file format description

Many people share .mun files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .mun file can be edited, converted or printed with. On this page, we try to provide assistance for handling .mun files.

1 filename extension(s) found in our database.

.mun - Windows System Resource Archive

The MUN development files are related to Microsoft Windows. The MUN file is a Windows System Resource Archive. Microsoft Windows is a major computer operating system developed by Microsoft.

Microsoft Windows
Development files
- / -
Windows System Resource Archive related extensions:
Snowdrop Localization Package
Front Panel Designer Project
Visual FoxPro Compilation Error Data
Transaction Application Language Source Code
CA-Clipper Program Source Code
Borland C++ Project Description Language Data

Naturally, other applications may also use the .mun file extension. Even harmful programs can create .mun files. Be especially cautious with .mun files coming from an unknown source!

Can't open a .mun 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .mun file extension is often given incorrectly!

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

hun, lun, min, mkn, mn, mnu, mu, mub, mug, mum

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

General CADD Menu
MuPAD Notebook Document
Freemacs Mint Source Code
SmartWare Menu Keywords Data
Personal Paint Hungarian Language Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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