What is a .3DT File And How To Open It – G&A; M.C. (Easy Guide)

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Have you came across a file with the .3dt extension and you don’t know what it is? You most likely know what the file is, but you might be unsure on how to open it. Don’t worry! This article explains everything about the .3dt file extension, how to open and work with it on various systems.

What is a .3DT file?

The .3DT file extension is from 3D Topicscape File. It was developed by G&A; M.C.. The file is a data related file.

What to know

There is currently 1 software that can open the .3dt file on 1 platform.

How to open a .3DT file?

Below we will show you a step-by-step guide on how to open the .3DT file on various operating systems.

How to open a .3DT file on Windows (7, 8, 10)

There are 4 simple steps to open the .3dt file on Windows.

1. In the first step you need to download the 3D Topicscape software. This software will be used for opening the file. You can also use 3D Topicscape software.

Step 2

Step 2: Locating your .3DT file

2. In the second step you need to locate 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. After choosing the “Open with” option, you will have an option to choose the 3D Topicscape software 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 .3DT file?

If you cannot open the .3DT file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .3DT file.3dv – 3D VRML World, .3dw – Esko, .3dw – Leadwerks, .3dx – Rhino 3D Model File, .3dxml – Dassault Systemes. You might be trying to open one of them. Please recheck the file extension again.


In this article you have learned how to open the .3DT file with the 3D Topicscape program on Windows.