mac mail exchange calendar not showing up

Check Calendar and turn on iCloud Calendar. Wait for about 30 seconds, go to System Preference > iCloud.

Turn off iCloud calendar by unchecking the box of Calendars and choose Delete from Mac. Turn off iCloud Calendar and turn it on again. For example, where the SMTP address of the group is (for example) You can change the primary address of the group using the following command in Exchange Online PowerShell: Set-UnifiedGroup Alias -PrimarySmtpAddress when you want to add the SMTP address as a secondary address: Set-UnifiedGroup IT-Calendar -EmailAddresses should also solve the problem. How to fix Mac calendar not syncing with iPhone. Related to this, there are also scenarios where Outlook does not detect Office 365 groups using Autodiscover where the (primary) SMTP address of the Office 365 group is not correct. After changing this value to ‘0’, Autodiscover starts with Office 365 and does retrieve the correct Office 365 Groups information. Unfortunately, this does not retrieve any information regarding Office 365 groups. So, Autodiscover checks on-premises Exchange server and is redirected to Office 365 for Exchange Online information. When checking the registry, I found the ExcludeExplicitO365Endpoint DWORD set to 1 as shown in the following screenshot: I am using Office 365 ProPlus Click-to-Run which checks Exchange Online first for Autodiscover purposes, but then I realized I had been experimenting with some registry keys to change Autodiscover behavior. And both properties are set to FALSE, so this is not the case. In Office 365 Teams there are the HiddenFromExchangeClients and HiddenFromAddressListsEnabled properties (see the Hiding Office 365 Groups Created by Teams from Exchange Clients article from Tony Redmond for more information), but this is only Office 365 Groups and not an Office 365 Team. Make sure Outlook is connected and try again as shown in the following screenshot: When I select Browse Office 365 Groups in Outlook, I see an error message saying We can’t show you group right now.

Some users do see these groups in Outlook 2016 almost immediately, other users do not see anything (I’m in this group). In our IT team we have several Office 365 Groups. I have had this annoying issue with Office 365 Groups (Groups, not Teams).

Mac mail exchange calendar not showing up