If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Find out what to do when you receive a “Call us overprotective” message when signing in to Xbox.com.

Provides information for avoiding and reporting Microsoft technical support scams.

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 ...

This page provides support links for home users and support phone numbers for business users.

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 ...

Resolve Windows blue screen errors with tips and resources to do your own troubleshooting, or contact the Microsoft support if you need more help.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Learn what you can do if you're not receiving account aign-in verification codes.

注意: 你的 Hotmail 或 Outlook.com 密码与你的 Microsoft 帐户密码相同。 如果可以登录，但 Outlook.com 出现问题，请检查 服务状态。 如果状态不是绿色，请等到服务正常运行再重试。 Microsoft 始终保持留意异常的登录活动，以防其他人试图登录到你的帐户。 如果您在去新地方的旅途中或使用新的设备，我们 ...