How to enable add-ins for a shared calendar
Problem
When sending a meeting request from a shared calendar, the Office add-ins aren't enabled on the ribbon.
Solutions
To use Outlook add-ins while creating a meeting request for a shared calendar, you can use the following 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.