Sign out or remove accounts Import passwords Export passwords Back up accounts Restore accounts Troubleshooting Authentication did not complete Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password. Microsoft Authenticator is not available for PC or Mac, because authenticator apps are designed for smartphones for security reasons. Learn more . Microsoft no longer supports Authenticator versions that are more than one year old. Always keep your device up to date.

Users in China should read how to download and use Microsoft Authenticator in China . To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store. To install Authenticator on your Android device Scan the QR code or download and install Authenticator from the Google Play store. Add your accounts to Microsoft Authenticator Detailed information about downloading and using Microsoft Authenticator in China Thank you for your feedback!