Notes: If you don't see the security key option, it's possible that your organization doesn't allow you to use this option for verification. In this case, you'll need to choose another method or contact your organization's help desk for more assistance. Before you can register a security key, you must have at least one additional security verification method registered.

If you’re tired of having to remember or reset your password, try using a FIDO2–compliant security key to sign in to your Microsoft account instead. What is a security key? A security key is a physical device that you can use instead of your user name and password to sign in. Since it needs to be unlocked with a fingerprint or PIN, even if someone has your security key, they won’t be ...

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 ...

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

Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

Get details on how to add or hide your email address and Rewards points balance from your Xbox home screen.

了解如何在移动设备、Windows 设备或 Xbox 主机上兑换 Microsoft/Xbox 礼品卡或其他代码。

Whenever you sign in to your Microsoft account, you may also get sign-in approval notifications in the Outlook mobile app. You will see sign-in requests appear either on the lock screen or in the Outlook mobile app. You'll also be able to get one-time passcodes, which you can copy/paste into other sign-in screens.

Find out how different types of enforcement actions can impact your Xbox profile and device.

Support for Windows 10, Office 2016 and Office 2019 has ended on October 14, 2025. Learn more about your options for Windows 10 or for Office.