Learn how to identify and open encrypted and protected emails no matter what email client you're using.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app store Sharing with your devices, the following link: Copy link We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...

Learn how to protect your PC, identity, and data from tech support scams.

在 Android 设备上安装 Authenticator Google Play 商店在中国不可用，因此只能从以下商店下载Microsoft Authenticator： 联想 Oppo – 搜索要从 Oppo 存储区下载Microsoft Authenticator。 三星

Learn how to prevent unauthorised purchases on your Xbox by creating Microsoft accounts for every person who uses that console.

Learn how to cancel Xbox subscriptions, manage recurring billing, and stop future charges while retaining benefits until the subscription expires.

启用双重验证 或设置 Authenticator 应用 后，如果使用较旧的设备 (（如 Xbox 360）或不支持双重验证的邮件发送安全摄像头) ，可能会遇到问题。 对于这些设备，可以改为使用应用密码登录。 应用密码是随机生成的长密码，在登录不支持双重验证的应用和设备时，你只需提供一次此密码而非常规密码 ...

Find the official Microsoft licensing terms for Xbox and gaming applications for mobile devices and iPads.