What is a .GPJ File And How To Open It – Golden Software

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Have you came across a file with the .gpj extension, but it is a file you have never seen before? You most likely know what the file is, but you might be unsure on how to open it. That’s why you are here! We have made this guide for you to learn more about the .gpj file extension and how to open it.

What is a .GPJ file?

The .GPJ file extension is from Grapher Project File. This file extension was developed by Golden Software. The format of this file is binary, and it is a data related file.

What to know

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

How to open a .GPJ file?

Below you can find an easy to understand, step-by-step guide to open the .GPJ file on your operating system/device.

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

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

1. The first step is to download the Golden Software Grapher software. This software will be used for opening the file. Other software that can be used in opening this file is: Golden Software Grapher.

Step 2

Step 2: Locating your .GPJ file

2. In the second step you need to locate the downloaded file. If you don’t remember where you have downloaded your file to, you should check your /download/ folder as it usually gets automatically saved there.

Step 3

Step 3: Choose “Open with”

3. In the third step right click on your file and choose “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 Golden Software Grapher software that you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .GPJ file?

If you are still unable to open the .GPJ file, it might be because you are trying to open the wrong one. The .GPJ file extension is similar to other file extensions such as: .gpj – Green Hills Software, .gpj – jGRASP. 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 .GPJ file with the Golden Software Grapher program on Windows.