How do I add a Shared Mailbox to Outlook?
You must have access rights to the mailbox you wish to add.
Answer
Add a shared mailbox to Outlook
Reference:
https://support.microsoft.com/en-us/office/open-and-use-a-shared-mailbox-in-outlook- d94a8e9e-21f1-4240-808b-
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- Open Outlook.
- Choose the File tab in the ribbon.
- Choose Account Settings, then select Account Settings from the menu.
- Select the Email tab.
- Make sure the correct account is highlighted, then choose Change.
- Choose More Settings > Advanced > Add.
- Type the shared email address, such as info@contoso.com.
- Choose OK > OK.
- Choose Next > Finish > Close.