Note: Outlook for Mac for Office 365 and the Outlook for Mac application released as part of the Office 2016 for Mac Preview are the same product, so this blog applies to both as long as they are updated to version 15.8 or higher. The 15.8 update for Outlook for Mac was released on March 5, 2015, and it contains a new feature: Side-by-Side calendars. Best free screen grab. 15 rows Outlook for Office 365 for Mac Office for business Office 365 Small Business Outlook.
- Add Shared Calendar Outlook 2016 Mac
- Access Shared Calendar Outlook 2016 For Mac
- Outlook For Mac Share Calendar
Add Shared Calendar Outlook 2016 Mac
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?
Access Shared Calendar Outlook 2016 For Mac

Outlook For Mac Share Calendar
If so, what version and SP level of Exchange? Needs to be Exchange Server 2010 Service Pack 2 or later, per 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. For the desired calendar, ask your Exchange admin to verify permissions settings/access for this user. 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 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. For the desired calendar, ask your Exchange admin to verify permissions settings/access for this user.