Here are the steps required to setup Microsoft Office 365 on iPhone / iPad

  1. Go to Settings > Accounts & Passwords and tap Add Account

  2. In the Add Account page, tap Exchange.

    Select the type of account you want to add
  3. Enter your full email address, for example, and your password, and then tap Next.

    Add your email address and password
  4. By default, Mail, Contacts, and Calendar information are synchronized. Tap Save.

  5. If you're prompted to create a passcode, tap Continue and type a numeric passcode. If you're prompted and don't set up a passcode, you can't view this account on your device. You can also set up a passcode later in your settings.

Top Tip:

If your device can't connect make sure you typed your email address and password correctly and try again.

Source: Microsoft

If you require access to some of the enhanced functionality, such as: Calendar sharing etc you will need to download and install the Outlook OWA App.

You can get the app from the app store at: