Note   Outlook for Android requires a device running Android 4.0 or later.  If the app is incompatible with your device, you can add your mail account by using the mail app that comes with your device. See Set up email using the Android mail app.

  1. Do you have Outlook for Android installed on your device?

    • If it's not installed on your device, download Outlook for Android from the Google Play Store. Open the app. If you want an introduction, tap Product Tour, or tap, Get Started.

    • If it is installed on your device, open the app, and then tap the navigation control at the bottom of your device, or tap More More > Settings > Add Account.

  2. On the Add An Account page, tap Microsoft 365 if you have a work or school account in Microsoft 365 for business. Enter your full email address, for example tony@contoso.com, type your password, and then tap Sign in.

Microsoft 365 business email only: The following steps allow the company to wipe company data off your phone in the case that it is lost or stolen to prevent access to sensitive information in emails:
  1. From here you will see a prompt "Your organization needs you to beef up your security - tap "Enroll" 

  2. You will be redirected to a web page, tap Get the app

  3. Install Intune Company Portal by Microsoft, open the app and Sign In

  4. Sign in with your email and email password, click begin > continue > continue > enroll

  5. Tap Allow > activate > OK

  6. At this point you should be on the "Company Access Setup" screen with two green checks next to "Device Enrollment" and "Device Compliance", tap continue > done

At this point we want to get back to the Outlook email setup

  1. open the app, and then tap Settings > Add Account > Add Email Account >  Microsoft 365

  2. Sign in with your email address and password and you should be good to go

Note   If you previously selected Exchange to set up your account you may receive a message about security upgrades and you need to re-sign in. Follow the prompts and sign in with your full email address and password.

Once the account is added Outlook for Android will begin syncing.


Also see Microsoft's article at: https://support.office.com/en-us/article/set-up-email-in-the-outlook-for-android-app-886db551-8dfa-4fd5-b835-f8e532091872?ui=en-US&rs=en-US&ad=US