Outlook for Mac now supports Google Calendar and Contacts in Insider Slow
Support for Google Calendar and Contact has been available in Insider Fast for several months now. With the rollout ofversion 16.11 (180305), this functionality will slowly start rolling out to Insider Slow audience as well.
We would love to hear from you as we make improvements in Insider Fast, so please provide feedback and report issues via Help > Contact Support. If you would like to see other enhancements in Outlook for Mac, please vote for your feature request via Help > Suggest a Feature.