MMAS file format description

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

1 filename extension(s) found in our database.

.mmas - MindManager Theme

The MMAS data files are related to MindManager. The MMAS file is a MindManager Theme. MindManager is a mind mapping software application developed by Mindjet.

Data files
- / -
MindManager Theme related extensions:
MindManager Macro
MindManager Map Part
MindManager Map Marker List
MindManager Branch Template
MindManager Macros Script

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

Can't open a .mmas 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 .mmas file extension is often given incorrectly!

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

mas, mma, mms

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

MEGA Alignment Sequence Data
Lotus Freelance Graphics Smartmaster File
Master Album Maker Document
Microsoft Access Stored Procedure
MMS Message Data
NASCAR SimRacing Game Archive

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

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .mmas file format, then write to us! >> MMAS file