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

你可以通过网页浏览器、移动设备、智能电视或其他支持的设备免费玩 Fortnite，无需 Xbox Game Pass 订阅。 玩游戏只需 Microsoft 帐户和 Xbox 档案以及免费且受支持的带蓝牙功能的控制器（如果需要）。 某些设备上没有受支持的控制器的玩家也可使用触摸控件。

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.

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.

Sign in using Microsoft Authenticator Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

This article has guidance for: Organizations with IT-managed Windows devices and updates.

Learn how to use encryption and other security settings to protect messages sent from Outlook.

About Microsoft Authenticator Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN. You can use Authenticator to sign in to your Microsoft personal, work, school or other accounts.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.