What is a .CUI File And How To Open It – Autodesk (Simple Steps)

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Have you downloaded a file with .cui 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. That’s why we have made this article! You will learn how to open the .cui file extension on various systems, what it is and how to work with it.

What is a .CUI file?

The .CUI file extension is Autodesk Custom Workspace File. The development of this file was done by Autodesk. The file is a settings related file.

What to know

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

How to open a .CUI file?

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

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

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

1. The first step is to download the Autodesk AutoCAD 2020 software. This software will be used for opening the file.

Step 2

Step 2: Locating your .CUI 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, 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 Autodesk AutoCAD 2020 software you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .CUI file?

If you are still unable to open the .CUI file, it might be because you are trying to open the wrong one. The .CUI file extension is similar to other file extensions such as: .cuid – Baidu, .cuix – Autodesk, .cul – Windows Cursor Library, .cur – Windows Cursor, .cursorfx – Stardock. 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 .CUI file with the Autodesk AutoCAD 2020 program on Windows.