>> MMJ file

MMJ file format description

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

1 filename extension(s) found in our database.

.mmj - ProMark3 GPS MobileMapper Job File

The MMJ gis files are related to MobileMapper Office. The MMJ file is a ProMark3 GPS MobileMapper Job File. ProMark3 is a professional GPS receiver and data collector device. ProMark3 is a dedicated tool designed for the high accuracy measurement survey work demands.

MobileMapper Office
GIS files
- / -
ProMark3 GPS MobileMapper Job File related extensions:
Loadstone GPS Data
Noni GPSPlot Track
ArcGIS Pro Project
GeoVisu Route Data
Golden Software Interchange
Garmin Zipped Geocaching Data

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

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

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

mj, mjm, mkj, mlj, mm, mmh, mmi, mmk, mmm, mmn, mmu

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Matrix Market File
FreeMind MindMap
MACSIMUS Metamake Data
myPM Merge Data
Dragon Age Model Mesh Hierarchy Data
Metamath ASCII Database

Operating systems currently supports the following operating systems:

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

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