安裝 Microsoft Defender，保護您的Android、iPhone、Mac和 Windows 裝置免於受到威脅。 在您的裝置上下載 Microsoft Defender，方法如下：

查找 Xbox 和适用于移动设备和 iPad 的游戏应用程序的 Microsoft 官方软件许可条款。

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

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

If you turn off recurring billing, you won't be billed in the future. You (and anyone you have shared your Microsoft 365 Family subscription with) can continue to use your subscription as normal until the expiry date. When recurring billing is turned on, you'll be billed for your subscription on your renewal date - either monthly or annually, depending on your plan. Select or expand an option ...

On the Get codes from Authenticator page, select either Android or iPhone based on your phone type, and then select Next. Use your device's camera to scan the QR code from the Set up Authenticator page on your computer.

Note: This article uses a Windows device for demonstration purposes, but you can also register devices running iOS, Android, or macOS. What happens when you register your device While you're registering your device on your organization's network, the following actions will happen: Windows registers your device on your organization's network.

You can apply sensitivity labels to your files and emails to keep them compliant with your organization's information protection policies. Sensitivity labels are configured by your administrator and because they're published to users rather than locations such as sites and mailboxes, users in the same organization might see different sensitivity labels to apply. Sensitivity labels help ...

Find out why Microsoft collects your search history, how to view and clear your search history, and which search data appears on the privacy dashboard.