Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .gmg

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .gmg file?
  • Which program can create the .gmg file?
  • Where can you find a description of the .gmg format?
  • What can convert .gmg files to a different format?
  • Which MIME-type is associated with the .gmg extension?
Global Mapper Grid Data .gmg file icon

Global Mapper Grid Data

GMG file is a Global Mapper Grid Data. Global Mapper is one the most powerful and practical utilities for geographical data production and GIS data management.
Category: GIS files
Application: Global Mapper
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Global Mapper Workspace
Global Mapper Package
Global Mapper Catalog Data

Other types of files may also use the .gmg file extension. If you have helpful information about .gmg extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Berts Coloring Image
Harbour MiniGUI IDE Form
Koala Paint Compressed Bitmap
GapGun Pro Software Update Script
Gephard Hires Graphics Bitmap Image
MicroSim PCBoard Photoplot Job
Autologic Bitmap Image
WinDS PRO Data
Gamma Fax Image

The .gmg filename extension is often given incorrectly!

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

gng (1), gmv (1), gmr (1), gmf (1), gm (1), ymg (1), ghg (1), tmg (1), gg (1), mgg (1), bmg (1), hmg (1), gmy (1), gmt (1), gmn (1)

Can't open a .gmg file?

If you want to open a .gmg file on your computer, you just need to have the appropriate program installed. If the .gmg association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.gmg

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android