Microsoft prioritizes account security and works to prevent people from signing in without your permission. When we notice a sign-in attempt from a new location or device, we help protect the account by sending you an email message and an SMS alert. If your phone number or email changes, it's important to promptly update the security contact info on the Security basics page so we can work with ...

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

从 2025 年 3 月 19 日开始，不再支持适用于移动设备的 Xbox Game Pass。 获取有关其他设备上的云游戏的详细信息。

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.

Use popular Office apps like Word, Excel, PowerPoint, and OneNote on your iPhone, iPad or other iOS device. Set up email using Outlook for iOS.

Learn how you can use Outlook for Android or iOS to sign into your Microsoft personal or work/school account.

Important: With two-step verification, you always need two forms of identification. This means that if you lose your phone, your password alone won't get you back into your account. For that reason, we strongly recommend you have three different sign-in methods associated with your account.

Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

If you don't have the Microsoft Authenticator app for iOS, select Download now. Tip: You can scan a QR code or send a link to your mobile device to download the Authenticator app from the Authenticator app page. After you've downloaded Authenticator, select Next. Select the phone method to receive codes by text.

Manage devices used with your Microsoft account Adding or registering a device to your Microsoft account helps you see its warranty status, get support, or request service. You can also find or lock it if it's lost. Add a device to your Microsoft account Xbox Windows Mac Android iOS