This is a step by step guide to setting up your Microsoft Exchange (Office 365) email account on your Windows Phone

Pull the notification tray down from the top and tap on All Settings

Tap on Accounts

Tap on “Email & App Accounts”

Tap on Add an Account

Tap on Exchange

Type in your email address and press enter on the keyboard

Type in your password  and press enter on the keyboard

Tap Yes

Wait while the account is added.

Tap Done, and your account is added to your phone.