Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your "issue" fixed, it's better to be safe and not click any links or provide any personal information.

Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies, friends, or acquaintances in a fake message, which contains a link to a phishing ...

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深入了解 Xbox 網路上可能發生與帳戶相關的違規。

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

Summary This article provides explanations for why verification codes from Microsoft don't always arrive. It includes a list of the most common causes, and solutions for each one. Microsoft is committed to advancing security standards and as such, we will start phasing out SMS as a method of authentication and account recovery for personal Microsoft accounts. Reasons why verification codes don ...

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Warning dialog boxes appear when programs are blocked from accessing your contacts or attempts to send email messages on your behalf.

Get support, help, and learning resources for Microsoft 365. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.

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 ...