What is a .CPGZ File And How To Open It (Easy Guide)

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While downloading files, you might have downloaded a file with the .cpgz extension. Perhaps you know what the file is, but you simply don’t know how to open it. That’s why you are here! We have made this guide for you to learn more about the .cpgz file extension and how to open it.

What is a .CPGZ file?

The .CPGZ file extension is Compressed CPIO Archive. This compressed file is in binary format.

What to know

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

How to open a .CPGZ file?

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

How to open a .CPGZ file on Mac

There are 4 simple steps to open the .cpgz file on Mac.

1. In the first step you need to download the Apple Archive Utility and The Unarchiver software. You will be using this software in order to open the file.

Step 2

Step 2: Finding your .CPGZ 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: Clicking “Open with”

3. In the third step right click on your file and choose “Open with”.

Step 4

Step 4: Choosing the software to open your file

4. In the fourth step, after clicking “Open with”, you should see the Apple Archive Utility software that you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Mac.

Still cannot open the .CPGZ file?

If you are still unable to open the .CPGZ file, it might be because you are trying to open the wrong one. The .CPGZ file extension is similar to other file extensions such as: .cph – Corel, .cphd – CloudChan, .cpi – Sony, .cpi – Microsoft, .cpio – Unix CPIO Archive. 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 .CPGZ file with the Apple Archive Utility, The Unarchiver programs on Mac.