Use PowerShell to manage Office 365 Groups – Admin help

Groups in Office 365 are intended to be created and managed by admin and end users. If you, the global administrator, need to perform bulk operations, configure global settings, or want to monitor Group activity from the command line, you can use Windows PowerShell and the following cmdlets to accomplish those tasks. Check out Learn more about groups for more information about groups in Office 365.

https://support.office.com/en-us/article/Use-PowerShell-to-manage-Office-365-Groups-Admin-help-aeb669aa-1770-4537-9de2-a82ac11b0540