The delegate has added Corey Gray's account to their own Outlook profile. In this example, the manager is Corey Gray. In the following example, an Outlook 2010 profile displays two Exchange accounts that have been added to it. This type of profile configuration isn't supported, however there is no warning or error message displayed when this scenario is set up. In Outlook 2010, Outlook 2013, and Outlook 2016, Outlook 2019, and Outlook for Microsoft 365 a manager can add a delegate's account to their profile and the delegate can add the manager's account to their profile. Scenario 1: The manager and delegate mailboxes are added to the same profile You manually add another mailbox account, and the Exchange Server 2010 Service Pack 1 (SP1) Auto Mapping feature adds it at the same time.You add both the manager and delegate mailbox accounts to the same Outlook profile.

This article describes the following two scenarios in which this feature can cause unexpected behavior, and provides alternate steps that you can use to set up the scenario.

You have the credentials to access the additional Exchange mailboxes if you don't have Full Access permission to them.

You have Full Access permission to the additional Exchange mailboxes.

In Microsoft Outlook 2010, Outlook 2013, Outlook 2016, Outlook 2019 and Outlook for Microsoft 365, you can add multiple Microsoft Exchange accounts to the same profile if one of the following conditions is true:

View two email accounts in outlook