Now that you've created a shared mailbox and a SharePoint team site, Brien walks you through the steps of mail-enabling a document library using Microsoft's Power Automate tool in Office 365.

Microsoft is starting to deliver its "modern document libraries" user experience improvements in SharePoint Online to its Office 365 commercial subscribers, which is happening as early as this month.

SharePoint Document Library Sync: We're adding SharePoint Online document library sync, starting with a preview in the third quarter of 2016, with general release by the end of 2016.