Under Authentication, enter your own credentials.Ĭhecking the setting Sync shared mailbox will allow Outlook to synchronize the shared mailbox without requiring the user to click Send/Receive. In the E-mail address field, enter the email address of the shared mailbox. When you have Full Access permission to a shared mailbox-that is, Full Access permission of a mailbox set up through Exchange Admin Center (EAC)-you can add the shared mailbox with your own credentials.Ĭlick the Plus Sign to add an additional Exchange account. You have full access permissions to a shared mailbox Outlook for Mac does not support Auto-mapping of shared mailboxes. If you do not have 'Send As' or 'Send On Behalf of' permissions for the account, email from the account will not be sent. This lets you select the account in the From field regardless of whether you have permissions to send from this account. When you use any of these methods, the shared mailbox account is added as an option in the From field when you compose emails. Outlook for Office 365 for Mac Outlook 2016 for Mac Outlook 2019 for MacĬhoose the appropriate option depending on whether the mailbox is shared with you or you are a delegate for another user's mailbox.

Outlook 2016 send as another user