Unzip CPGZ File on Mac – The Right Way

Zip is a file format that is used to compress multiple files under one place. As a result, it minimizes the file size so that it can be transported to another location with ease. Later on, you can unzip the file to know the actual contents present in it.

Many Mac users facing issues related to a zip file. When they attempt to unzip the file, it somehow gets converted into a CPGZ file on Mac. When the Archive utility is launched, the CPGZ file again turned back to a zip file.

This process stuck on loop resulting CPGZ file unable to unzip. Now, there could be more than one possible reason for this issue. But don’t worry as we got you all covered up.

Unzip Cpgz File On Mac – The Right Way

Here’s everything you need to know about how to unzip the CPGZ file on Mac.

Also read: Guide to open and extract .rar files on macOS

Why Zip File Converts into GPGZ while attempting zip?

As mentioned, there could be multiple issues. Here are some reasons mentioned below:

  • Incomplete download
  • The downloaded file is corrupted.
  • An error or bug.
  • Improper way of download by certain web browsers.

You could get frustrated because the process is stuck on loop make you unable to unzip the CPGZ file.

Follow the methods mentioned below that will help you to unzip the CPGZ file on your Mac.

1. Unzip CPGZ file Using Command Line

Using the command line in the Terminal, you can break the loop and unzip the CPGZ file in order to open it. This method is easy and has worked for many users.

Step 1: Go to Applications > Utilities > open Terminal.

Step 2: Now, locate the .zip file in the finder.

Step 3: Now type the ‘unzip’ command and keep a distance of space. And drag and drop the .zip file into the terminal and press return.

Here’s How To Unzip Cpgz File On Mac

Now, the file can be actually accessible, you can view the content present in the file.

Here’s How To Unzip Cpgz File On Mac

Here, make sure that the zip file has downloaded completely. Command-line should be able to open the file but content present in the file may lack due to incomplete download.
If that’s the case, you need to re-download the file.

2. Redownload the Zip file using different Web Browser

It happens sometimes that, the zip file you have downloaded on Mac is partially downloaded. Or the downloaded file turns out to be corrupt due to unknown reasons.

Here, you can download the zip file from another browser such as Chrome, Safari, Firefox, Opera, etc. But again if the ZIP file turns into a CPGZ file then assume that the file is corrupted, something went wrong, or you can check md5/sha1 sums.

3. Open CPGZ File Using The Unarchiver

The Unarchiver is a third-party app that works like charm, and somehow similar to Archive Utility found on Macs. This app can easily open a GPGZ file, here’s how to do that:

Step 1: Download and install The Unarchiver.

Here’s How To Unzip Cpgz File On Mac

Step 2: Locate the required file.

Step 3: On the top right corner of your screen.

Step 4: On the access menu and click on ‘Get Info’.

Step 5: Choose ‘Unarchiver’ in the ‘Open With’ menu.

Step 6: Open (.zip or .cpgz) file and decompress it.

Here’s How To Unzip Cpgz File On Mac


It happens that CPGZ files show up when you try to unzip a zip file on Mac. The command-line method using terminal is easy to do. But you can use The Unarchiver app to open the zip or CPG file.

That’s it for now, hope this helps! Let us know your thoughts in the comment section below. Till then stay tuned for more info.

Read next: Top 5 Ways to Copy File Path on Mac (BigSur)

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