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

了解如何新增安全性資訊以保護您的 Microsoft 帳戶。

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.

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

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.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

Tip: If you have other verification options already configured for your Microsoft account, you can sign in using those methods: Use your face, fingerprint, PIN, or security key; Approve sign-in with a mobile app; or Send a code to your email. Troubleshoot verification code issues.

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

使用 Authenticator 作为登录的一种方式 如果已为帐户启用无密码、双重或多重身份验证，请使用以下步骤登录： 转到要登录的网站。 在登录提示符下输入用户名，然后选择“ 下一步 ”。 选择“ 发送通知 ”。

Learn how to remove passwords from your Microsoft account to increase security.