What is a .QC File And How To Open It – Valve (Visual Guide)

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While downloading files, you might have downloaded a file with the .qc extension. 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 .qc file extension is, how to open it and how to work with it.

What is a .QC file?

The .QC file extension comes from Half-Life Model Compiler Script. This file extension was developed by Valve. This 3D images related file is in text format.

What to know

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

How to open a .QC file?

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

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

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

1. The first step is to download the GUI StudioMDL and Microsoft Notepad software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .QC file

2. The second step is locating 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 GUI StudioMDL software you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .QC file?

If you cannot open the .QC file, it is entirely possible that you are trying to open the wrong file. The .QC file extension is similar to other file extensions such as: .qc – id Software. 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 .QC file with the GUI StudioMDL, Microsoft Notepad programs on Windows.