An error occurred while saving the commentMichael Bunyan commented
moving stuff from other locations is needed togther with bells and whistles
You can now use a dot in the email alias. We are working on providing the ability to edit the email address of a group after creation.
For the ability to edit the email addresses, we now have the following roadmap item: https://products.office.com/en-US/business/office-365-roadmap?filters=&freeformsearch=27891&featureid=27891