Outlook for Mac now supports Google Calendar and Contacts in Insider Slow

OK, so I logged out & closed everything down for an hour or two (as Support suggested) and then restarted Outlook.  (All of this on a Mac) Immediately had dialogue boxes from Google asking if I wanted to share access for my Gmail accounts etc with Microsoft Cloud etc.  Approved everything (including the inevitable security alerts from Google about 3rd party app access) and restarted....  Still no way I can see to add the calendars to Outlook.  Going to the Organize tab in Calendar still only offers existing MS related email accounts already set up on the computer, no sign of any of the Gmail accounts (4 or them) also already set up on the computer and whose email functions fine (and always has).   
Asked Help and then Googled how to set up calendars but all instructions seem to related to PC users not Outlook/Office for Mac.  Tried another re-start but nothing changes...  Feels like some progress but not there yet...