Item: Change the email address of an Office 365 group. For example, if you create an Office 365 group when the default domain was domainA.com – then the group would have an email address at domainA.com, even if you change the domain name. Method: 1/ Connect to...
Important!
Make sure you backup your data and system before carrying out any steps noted here!
These steps have worked for me, but I cannot guarentee they will work for you!
