GMI File Type

- The quick facts

What are GMI files and how to open them

Are you having problems opening a GMI file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a GMI file?

A .GMI file is a GPS Tuner Map Calibration Data file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open GMI files

Important: Different programs may use files with the GMI file extension for different purposes, so unless you are sure which format your GMI file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 2 different GMI openers which you will find listed below.

Last updated: October 10, 2014

Suggest another file format using extension GMI

While we know of one file format using the .GMI file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .GMI file.

Various apps that use files with this extension

These apps are known to open certain types of GMI files. Remember, different programs may use GMI files for different purposes, so you may need to try out a few of them to be able to open your specific file.