Outlook Groups are different from Shared Mailboxes or Distribution Groups. A Group can exist as part of a Team and be used for Outlook email.
To send email from and Outlook Group.
- Create a Distribution Group in ACNS Resource Coordinator Tools and populate with users.
- Send that Distribution Group to windows@colostate.edu and request Send As permissions be granted to the DG for the Outlook Group.
- Send As in Outlook by changing the From address in a New Message.