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You may find yourself in a situation where you have a weak or no signal to your cell phone or cannot receive notifications. For those situations, you can use Microsoft Authenticator App’s One-time password code feature.
NOTE: These instructions only apply if you have already installed the Microsoft Authenticator app and added it as a security method for your M365 Account. See Setting up Multi-Factor Authentication (MFA) for M365 for instructions to set up the Microsoft Authenticator app for MFA.
Step 1: Sign in to the service you want to access, which is protected by M365 MFA (e.g., email, Teams, etc.).
Step 2: If Microsoft Authenticator - notification is set as your default MFA method, click or tap "I can't use my Microsoft Authenticator app right now." If it is not your default method, proceed to Step 3.
Step 3: From the list of options to Verify your identity, click or tap on Use a verification code.
Step 4: On your mobile device, open the Microsoft Authenticator app. Tap on the IVCC Account line.
Step 5: Find the One-time password code in the app. Also note the count-down timer (marked in yellow) - the code resets every 30 seconds, so if the timer is nearing zero, wait for the next code in a few seconds.
Step 6: Back in your browser, type the code from the app in the Enter Code prompt and click Verify.
Outcome
You will be signed into the service you logged into at Step 1
