Step 1: To start, go select the File tab located in the Ribbon Pane > Account Settings > Delegate Access.
Step 2: Once you open the Delegate Access tab, a dialogue box will appear on the box.
Step 3: Click the Add button to add whomever you please to your list. Whoever you add to your list must be from your company.
Step 4: Once you've located your delegate(s), click Add. By default, your delegate(s) will have access to other things such as your calendar, contacts, notes. To change permission settings, click on the arrow list for Inbox, Contacts, and Notes, where you can change what they will be able to create and edit. Once done, select OK to apply your changes.