You can close your Outlook.com account by closing your Microsoft account.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

Learn how to switch between Office 365 for home subscription plans, which include Office 365 Home, Office 365 Personal, and Office 365 University. You will also learn how to redeem a free Office 365 subscription that came with your computer or tablet if you have an existing Office 365 subscription plan.

A Microsoft account is a personal account required for access to Microsoft’s products and services.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Learn how to use Feedback Hub to report problems or send suggestions to Microsoft.