Or, Exporting GSuite Groups Name, and Email address to CSV file
Descriptions: GSuite is not having any feasibility on web GUI to export groups list into a CSV file. To achieve this, you may think of trying GAM tool available GitHub.
If you already have GAM tool installed on your machines, you may try the command given below to export all groups in a CSV file with the name and email addresses.
Steps: Exporting groups list into CSV file
Open CMD and Locate to the directory where GAM tool is installed
Type the command given below and hit enter
gam print groups name > D:\temp\GroupsList.CSV
You can change the destination directory to your own convenient path. In my case it's D:\temp
Cheers, write me back if you have any query or feedback on this.