Office add-ins are not available from Mac shared calendar

Enabling add-ins for a shared calendar 

Problem

When sending a meeting request from a shared calendar, the Office add-ins are not enabled on the ribbon.

Solutions

To use Outlook add-ins while creating a meeting request for a shared calendar, consider the following available workarounds. 

• If you have full access to the shared mailbox and are not a delegate of it, add the shared mailbox as an additional account in Outlook. 

• Use Outlook on the web to open the shared mailbox calendar and create the meeting request with the Office add-in. 

Enabling add-ins when sending email from secondary email account

Problem

You intend to send a meeting request from your primary email account, but the Office add-ins are enabled on the ribbon. However, when you select a secondary email account, the Office add-ins are not enabled on the ribbon. 

Solution

To work around this problem, use Outlook on the web to open the shared mailbox calendar and create the meeting request with the Office add-in. 

See also

​​​​​​​Office add-ins aren't available from a shared calendar