What is a .GMW File And How To Open It – Blue Marble Geographics (Easy Guide)


Have you downloaded a file with .gmw extension, but you are not sure what it is? Perhaps you know what the file is, but you simply don’t know how to open it. Fear not, in this article we will show you how to easily open the .gmw file in few simple steps on various systems.

What is a .GMW file?

The .GMW file extension is Global Mapper Workspace File. It was developed by Blue Marble Geographics. The file is a settings related file.

What to know

There is currently 1 software that can open the .gmw file on 1 platform.

How to open a .GMW file?

Below we have written a comprehensive guide on how to open the .GMW file on various operating systems.

How to open a .GMW file on Windows (7, 8, 10)

We have written below an easy-to-understand guide on how to open the .gmw file on Windows in 4 easy steps.

1. The first step is to download the Blue Marble Geographics Global Mapper software. This software will be used for opening the file. The other software that you can use is Blue Marble Geographics Global Mapper.

Step 2

Step 2: Locating your .GMW file

2. The second step is locating the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Choose “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the Blue Marble Geographics Global Mapper software that you have downloaded. Click on the software and click “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .GMW file?

If you are still unable to open the .GMW file, it might be because you are trying to open the wrong one. There are many similar file extensions that look like the .GMW file.gmx – YoYo Games, .gmz – YoYo Games, .gne – Ludicorp, .gnm – The GNOME Project, .gno – GenoPro. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.


In this article you have learned how to open the .GMW file with the Blue Marble Geographics Global Mapper program on Windows.