Forum Discussion
Is it possible to use Office 365 Groups with on-premises mailboxes?
We want to start to use groups but we are not ready to move our Exchange mailboxes to Exchange Online. Currently, when we try to access the conversation, calendar or members of a group, we get an...
Office 365 Groups requires you to use the full Office 365 feature set in order to get the complete experience - so no it's not possible to use it with on-premises mailboxes.