• Outlook For Mac Open Shared Calendar Grayed Out
• Open Shared Calendar On Mac
• Mac Outlook Open Shared Calendar

I've tried the procedures at the link you sent me before but I tried them again - just in case. Unfortunately, I continue to get the same problem when iCloud for Windows starts up - the 'Mail, Contacts, Calendar.' Option remains greyed-out and unavailable.

Honestly, if the Out of Office options are greyed out, it sounds like the account was not added as an Exchange type account (IMAP instead).

What is the server, in-house ? If so, what version and SP level of Exchange ? Needs to be Exchange Server 2010 Service Pack 2 or later, per https://support.office.com/en-us/article/General-requirements-for-Outlook-2016-for-Mac-A07A593D-B383...

Outlook For Mac Open Shared Calendar Grayed Out

I have an account with MS-hosted Exchange (not Office 365 but the completely equivalent Exchange-only MS hosting) and this 'just works,'

both adding a shared calendar and Out of Office settings.

Open Shared Calendar On Mac

Mac Outlook Open Shared Calendar

For the desired calendar, ask your Exchange admin to verify permissions settings/access for this user.