What is a .NC File And How To Open It – Deutscher Stahlbau-Verband (Visual Guide)


Have you came across a file with the .nc extension, but it is a file you have never seen before? It is possible that you know what the file does, but you are unsure on how to open it. In this article we will explain what .nc file extension is, how to open it and how to work with it.

What is a .NC file?

The .NC file extension stands for DSTV Numerical Control File. This file extension was developed by Deutscher Stahlbau-Verband. This CAD software file is in text format.

What to know

There are currently 2 software that can open the .nc file on 1 platform.

How to open a .NC file?

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

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

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

1. The first step is to download the Steel Projects CAD Viewer software. You will be using this software in order to open the file. The other software that you can use is Autodesk Advance Steel and Steel Projects CAD Viewer.

Step 2

Step 2: Locating your .NC 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. After choosing the “Open with” option, you will have an option to choose the Steel Projects CAD Viewer software you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .NC file?

If you are still unable to open the .NC file, it might be because you are trying to open the wrong one. The .NC file extension is similar to other file extensions such as: .nc – CNC Software, .nc – Unidata. 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 .NC file with the Steel Projects CAD Viewer, Autodesk Advance Steel programs on Windows.