Forum Discussion
Office 365 Group vs Shared Mailbox
We are looking at using Office 365 groups instead of a shared mailbox. Here are the issues we can't seem to overcome. 1. You can't import historical email into a group so everthing in the past h...
Groups are not a valid replacement option for a Shared mailbox, especially one that is used in workflows. There are other limitations that the ones you mentioned which make them unsuitable choice, for example Rules, or controlling sent/deleted items, etc.
But you can actually migrate content to Groups. There are 3rd party tools that do that, or you can use OWA as a workaround (it allows you to add the Group as additional mailbox and copy/move content to it).