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One alternative is to subscribe to iCloud calendar with your Exchange/O365 email accounts or any Outlook account, and then sync the same accounts in Outlook for Mac. See details:
An error occurred while saving the commentG.D. commented
I suggest to very fastly implement calendar sharinig (ical and so on) in Outlook 2016 for MAC! I am really upset. Microsoft is selling useless products!G.D. supported this idea ·