What is a .DC3 File And How To Open It – IMSI/Design (Easy Steps)

Table of Contents


Have you downloaded a file with .dc3 extension, but you have never seen this extension before? You most likely know what the file is, but you might be unsure on how to open it. In this article we will explain what .dc3 file extension is, how to open it and how to work with it.

What is a .DC3 file?

The .DC3 file extension is from DesignCAD 3D ASCII Drawing. The creator of this file extension is IMSI/Design. This file belongs to the text format and it is a CAD software file.

What to know

There is currently 1 software that can open the .dc3 file on 1 platform.

How to open a .DC3 file?

Below you can find an easy to understand, step-by-step guide to open the .DC3 file on your operating system/device.

How to open a .DC3 file on Windows (7, 8, 10)

To open the .dc3 file on Windows, please follow these 4 easy steps.

1. In the first step you need to download the IMSI DesignCAD 3D Max software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .DC3 file

2. The second step is locating 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, 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 IMSI DesignCAD 3D Max 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 .DC3 file?

If you are still unable to open the .DC3 file, it might be because you are trying to open the wrong one. There are many similar file extensions that look like the .DC3 file.dc4 – ViaThinkSoft, .dc6 – Blizzard Entertainment, .dca – IBM, .dcb – LexisNexis, .dcd – IMSI/Design. 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 .DC3 file with the IMSI DesignCAD 3D Max program on Windows.