How To Delegate Access To Your Inbox
This article will help you delegate access to your Inbox in Microsoft Outlook 365
1) Open Microsoft Outlook and select File.
2) Then select Account Settings ----> Delegate Access
3) Select Add
4) Search for the person you would like to have access to you mailbox. Select Add then OK.
5) Here you can customize what the delegate can do. Select the permissions and click OK.
6) You now have granted access to your mailbox and calendar.