Office 365: Registering for MFA using an iPhone (Apple iOS)


This article describes the steps to register your account for Office 365 Multi-Factor Authentication (MFA) using an iPhone. These instructions expect you have read Office 365: Setting up Multi-Factor Authentication and Password Reset

Note: you will register two (2) authentication methods that can be used as part of MFA.

For instructions using an Android mobile device read Office 365: Registering for MFA using an Android Phone

Before You Begin...

You must first install the Microsoft Authenticator app on your mobile phone.

  1. On your iOS device, open the Apple App Store.
  2. In the App Store, search for Microsoft Authenticator.
  3. Tap Get to install the App

IMPORTANT: Check that your iPhone is running  iOS version 12 or higher. Versions of iOS 11 or lower do not correctly support Office 365 MFA

Login to your RIC Office 365

To begin registering your RIC account for Office 365 MFA follow these instructions:Office 365: More information Required

  1. From your desktop or laptop,
    go to
  2. Log in with your Office 365 (email) account
  3. Once logged in, a dialog window will prompts you with More information required to keep your account secure (see screenshot)
  4. Choose an option:
    1. Click Skip for now to skip the MFA registration (1)
    2. Click Next to begin the MFA registration (2)

IMPORTANT: You can skip the MFA registration for no more than 14 days. After 14 days, you are required to register your account for MFA.

Authentication Method 1: Authenticator App

Approve Sign-in?The Authenticator default verification uses  "Push Notification" (see screenshot top). After you complete the MFA registration, you have option changing it to "Verification Code" (see screenshot bottom).
Instructions to change the option can be found Office 365: Change the Authenticator Verification method

IMPORTANT: These set of instructions must be completed in a timely manner or the session will expire, forcing you to restart the registration.



  1. You will be prompted to install the Microsoft Authenticator app onto your mobile device.
    NOTE: Please see Before You Begin… to install the app ahead of time to simplify the registration process.
  2. Once the app is installed, click Next in the browser window.
  3. Open the Microsoft Authenticator app.
  4. Upon initial start, the app prompts you with "Authenticator Would Like to Send You Notifications. Tap Allow.
  5. Skip each option until it prompts you to add a work account. Tap Add work account.
  6. You are now prompted with "Authenticator Would Like to Access the Camera. Tap OK.
  7. In the computer browser window, click Next.
  8. Do in the following in order (see screenshot):
    1. Using your mobile phone’s camera, scan the QR code in the computer browser.
      NOTE: Once the QR code is within your camera’s frame, your Authenticator app will recognize the code.
      After QR code is recognized, the app will show a 6-digit code associated with your email account.
    2. On the computer, click Next. A notification will now be sent to your mobile phone to link your account with the app.
  9. On your mobile phone, tap Approve.
  10. Once you approved the notification, click Next in the computer browser.

  Authenticator : Scan the QR code

Congratulations! You have set up the first authentication method for your account! Click Next in the computer browser to set up method 2.

Authentication Method 2: Register Your Mobile Phone

The second method of authentication to secure your account is through your mobile phone number. This will connect your mobile number to your RIC Office 365 account.

Method 2 of 2: phoneTo verify that you have ownership of the mobile number, do the following in the browser window (see screenshot named "Method 2 of 2: Phone"):

  1. Enter your mobile phone number (for example: 4011234567).
  2. Choose either Text me a code or Call me
  3. Click Next.


Option 1: Text me a code

A text message with a (random) 6-digit code is sent to your mobile number.

  1. On your phone, check for a message with a 6-digit code with the text "Use this code for Microsoft verification".
  2. In your browser window, enter the code into the "Enter code" field and click Next.
  3. Your phone is now registered as a method of authentication! Click Next.

Option 2: Call me

A call is placed to your mobile number.

  1. Answer the phone call on your mobile phone.
  2. The recorded voice message will instruct you to press the pound (#) symbol on your phone's touchpad.
  3. After pressing the pound sign, your mobile number is successfully registered. Click Next.

Congratulations! You have successfully completed both methods of authentication to secure your account.

To close the completed registration, click Done.