Reconnect MFA Authenticator App with Number Matching

William Gordon Updated by William Gordon

Reconnect Microsoft Authenticator App

This guide will walk you through reconnecting your Microsoft Authenticator App on your mobile device. These steps are necessary after an email address change.

The video below will demonstrate the process.

See steps below for detailed instructions to do the process at your own pace.

Open MFA Setup

To begin the process, on your Workstation open your browser click here.

If the link does not open, copy and paste https://aka.ms/mfasetup into your browser and hit enter.

Initial Sign-in

On your Workstation you may be prompted to sign-in. 

If you see this screen, please type your email and click “Next” to proceed. 

More Information Required

On your Workstation you may be prompted for more information.

If you see this screen, please select “Next” to proceed. 

Continue with Microsoft Authenticator

Select next to proceed using Microsoft Authenticator

Setup Microsoft Authenticator

Select Next to proceed

Find QR Code

On the next window use your Mobile Device to scan the QR Code as seen in next steps before click "Next" to proceed.

Open existing Authenticator Account

If you haven't done so, open Microsoft Authenticator on your Mobile Device and select the gear icon at the top right

Remove Authenticator Account

Select "Remove Account" to proceed

Add Account with QR Code

On your Mobile Device select the add account button on Android or the "Scan a QR code" button on iPhone

Select Work Account

Select "Work or school account" to proceed

Select to Scan QR Code

Select "Scan QR code" to proceed

Scan QR Code

On your Mobile Device place the QR code in the highlighted area to scan.

Verify the Number shown for the verification code

Use the code displayed on your workstation

Verify Number Matching

On you Mobile Device enter the number and select Yes

Authenticator re-added successfully

After Verification is complete the Authenticator will show approved

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