Step 1: On the Start screen, click Mail
Step 2: Swipe your finger from the right edge of the screen to the left, and then click Settings.
Step 3: Click Accounts.
Step 4: Click Add an account, and then click Outlook Exchange.
Step 5: Click Show More Details and enter the following information:
Email Address — Enter your full email address.
Server Address — outlook.office365.com
User name — Type your full email address.
Password — Enter your password.
Step 6: Click Connect.