You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Players on devices running iOS 15 might experience error code 101 when trying to connect to Daily Challenges or signing in to their account in Microsoft Solitaire Collection.

If you can't sign in to your email account on the Outlook mobile app, get help for the account you're trying to sign in with

To back up your accounts on an iOS device you need to enable iCloud to use Authenticator and then enable backup in Authenticator. Enable iCloud Drive on your iOS device.

If this is the first time you're setting up Authenticator, you might receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). Allow the app to use the camera so that you can take a picture of a QR code in one step.

Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

Use your mobile device to unlock or edit a file that another user has locked for editing.

iOS currently supports Xbox One controllers with Bluetooth capability, Xbox Wireless Controllers included with Xbox Series X|S, Xbox Elite Wireless Controller Series 2, and the Xbox Adaptive Controller.

Error code 1170000 means there is a problem related to connecting to the Xbox servers. Find out how to fix error code 1170000.

Messages that have the encrypt-only policy applied can be read directly in new Outlook, Outlook on the web, Outlook for iOS and Android, Outlook for Windows versions 2019 and newer, and Microsoft 365.