It would come from one of their real domains, perhaps @nortonlifelock.com. Tip: Some scammers will try to get tricky by using a domain that LOOKS like it could be legitimate, such as @n0rtonlifel0ck.com. The letter "o" has been changed to the number 0, but at a glance you might not notice.

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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 ...

Learn how to set up your user account for multifactor authentication with Microsoft 365.

Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

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 ...

Learn how to set up and configure Outlook so that you can begin to use it.

Find your product key to activate WindowsA product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow. Windows 11 and Windows 10: In most cases, Windows 11 and Windows 10 activates automatically using a digital license and doesn’t require you to enter a product key. However, if ...

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

If you received an "Authentication did not complete" message it could be for one of the following reasons: App is locked: Make sure Microsoft Authenticator is unlocked on your device.