To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store. Get the app

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Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

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.

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.

Why do I see PIN input rather than biometric for unlock in Microsoft Authenticator? A: If you're using Microsoft Authenticator with an Android or iOS work profile, make sure you add biometrics in your work profile. Biometrics for regular security don't always carry over to work profiles.

可通过三种方式将 Microsoft Authenticator 与你的帐户配合使用： 添加 Authenticator 作为验证登录的一种方式。 这样，即使忘记了密码，也可以登录。 添加 Authenticator 作为每次登录的一种方式。 使用一次性密码代码可提高帐户安全性。 这称为 双重验证。 添加 Authenticator 作为 登录的唯一方式 - 只需点击 ...

Download and install Microsoft Authenticator app Download and install the Microsoft Authenticator app for Android, iOS or Windows Phone. Set up the Microsoft Authenticator app Choose the mobile app Open a browser on your computer and go to portal.office.com. Sign in to your Office 365 for business account.

Learn how to set up your user account for multifactor authentication with Microsoft 365.