To change the email address of the group, follow the best answer here: https://answers.microsoft.com/en-us/msoffice/forum/msoffice_o365admin-mso_exchon-mso_o365b/how-to-add-an-email-alias-to-an-o365-group/79d94383-442a-4e3a-ac62-4ff1ea8af962.
We’re working on renaming the Team Site. Stay tuned.Shaun Kilmartin commented
Any updates? This is seriously a hindrance. We changed primary domain names and changing all the O365 groups has been a nightmare.Shaun Kilmartin supported this idea ·