Frequently Asked Questions
General FAQs
Microsoft Authenticator is a free app that provides two-factor authentication (2FA) to help protect your accounts. It generates time-based one-time passcodes (TOTP) and supports push notifications for passwordless sign-in.
Download the app from the or . Open it, tap the "+" icon, and scan the QR code provided by the service you're securing.
No. The app works independently of your phone number. It uses your device and internet connection for push notifications.
Device & Account Management FAQs
Enable cloud backup in the app settings (using your Microsoft account). On your new phone, sign in to the same Microsoft account and restore from backup.
If you’ve enabled cloud backup, you can restore your accounts on a new device. Otherwise, you’ll need to use backup codes or contact each service provider.
Tap the account in the app, then tap the three-dot menu and select Remove account.
Security & Privacy
Yes. It uses industry-standard encryption and supports biometric or PIN protection for added security.
Microsoft Authenticator does not track your location or collect personal data beyond what’s needed for authentication.
Passwordless sign-in lets you log in using your phone instead of a password. You approve a notification and verify with your fingerprint, face, or PIN.
Passwordless sign-in allows you to log in using your phone instead of a password. You simply approve a notification and verify your identity with your fingerprint, face, or PIN. This method is more secure, protects against phishing, and makes logging in faster and more convenient.
Troubleshooting
Ensure notifications are enabled for the app in your phone settings. Also, check that your device has internet access.
Make sure your phone’s time is set to automatic. Incorrect time settings can cause time-based one-time passcodes (TOTP) codes to be invalid.
This may happen if your account has suspicious activity or if you’ve recently changed devices. Follow the prompts or update your security settings.