You can assign another person, known as the delegate user, to receive and respond to email messages, and meeting requests on behalf of another user. For example, if a user wants a delegate user to access private items such as meetings, appointments, tasks, and contacts, you can enable the delegate user's access for the private items.

Enabling delegate access to private items in Exchange Online

You can enable the delegate user's access for private items in Exchange Online.

To enable delegate user access to private items:

In Exchange Server PowerShell, enter the following commands:
```
Add-MailboxFolderPermission [-Identity]
        <firstname.lastname@domain.com>:\Calendar -User
        <nexjdelegate@domain.com> 
        -AccessRights Editor-
            SharingPermissionFlags Delegate,CanViewPrivateItems
```
Where <firstname.lastname@domain.com> is the email address of the user whose private items the delegate user will access and <nexjdelegate@domain.com> is the email address of the delegate user.

The delegate user can now access private items in Microsoft Outlook.

Enabling delegate access to private items in Exchange Server 2010, Exchange Server 2013, and Exchange Server 2016

You can enable the delegate user's access for private items in Exchange Server 2010, Exchange Server 2013, and Exchange Server 2016.

To enable delegate user access to private items:

In Exchange Server PowerShell, enter the following commands:
```
Add-MailboxFolderPermission 
        [-Identity]<firstname.lastname@domain.com>:\Calendar 
        -User <nexjdelegate@domain.com> 
```
Where <firstname.lastname@domain.com> is the email address of the user whose private items the delegate will access and <nexjdelegate@domain.com> is the email address of the delegate.
Info

The Exchange Server PowerShell commands above ensure that the delegate user can be selected in Microsoft Outlook. The user that wants a delegate user to access private items must perform additional steps in Microsoft Outlook and select the delegate user.
The delegate user can now access private items in Microsoft Outlook.