Many Office 365 tenants use Planner for group-based task management. Generally, the application is OK and has been getting better. Now it can connect to Outlook to synchronize tasks into a user calendar, which then allows users to see tasks alongside their other commitments and print details off if needed. It’s an imperfect but acceptable solution to the lack of print capabilities within Planner.
Microsoft has made a big thing about the one-click option in the Exchange Online Administration Center (EAC) to convert a traditional email distribution group to an Office 365 Group. However, the option only works for groups that consist of Exchange Online mailboxes.