This feature will start rolling out slowly to our Insider Fast users. Outlook for Mac now supports OAuth for authentication for Google Accounts configured via IMAP. Outlook for Mac adds new authentication flow for Google IMAP in Insider Fast. There are several features that are available in the current version of Outlook for Mac for Office 365 that aren't yet available in the new Outlook experience. Features not yet available in the new Outlook for Mac. FIX!! Outlook Not opening, Responding, Stopped working Outlook 2010, 2013,2016,2019 - Duration: 5:15. I hope there is a solution as I’d like to use Outlook but if this continues I will be forced to goto Apple contacts and calendars. I’d checked all the time zones on the 3 devices and all is fine. This was not occurring on my Outlook on a PC and only started with Outlook on the Mac.