A) Adding a delegate
NOTE: In Outlook, delegates can send items on your behalf, including creating and responding to meeting requests.
A1) Click the File tab.
A2) Click Account Settings, then click Delegate Access.
A3) Click Add.
A4) You may search for someone by typing their name in the search box in the format last name, first name. When you see the entry for the person you want to assign permissions to, click their name once to highlight it. Then click Add.
A5) Click OK.
A6) Choose the delegate permissions you desire, and click OK.
A7) Click OK.
B) Removing a delegate
B1) Click the File tab.
B2) Click Account Settings, then click Delegate Access.
B3) Click on the person you want to remove as a delegate to highlight their name, then click Remove.
B4) Click OK.
You will be able to add and remove delegates to and from your email account.