Connect your Office 365 Exchange Online email account to your Android device by following these steps:

  1. Install the Outlook for Android app from the Google Play Store and then open it.
  2. If it's your first time using Outlook for Android, tap Get Started.
  3. Enter your full email address, then tap Add Account. If not, open the Menu > tap Settings > Add Account >Add Email Account.
  4. If you're asked to select your email provider, select Office 365.
  5. Enter your email account password and tap Sign In. 

Your account should now be added. You may choose to Add Another Account if you wish.