Learn how to fix Outlook.com email sync issues if you can't receive or send messages.

检查 Xbox 服务、游戏和应用是否有任何服务中断。

Learn how to share files in File Explorer on Windows 11 or Windows 10 using OneDrive, email, or nearby device.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

To create a document, open Word, select a blank document or template, and start typing. Discover professionally designed templates for Microsoft Word.

Track your points and earn while gaming or shopping by downloading the Microsoft Rewards app to your Xbox console: Press the Xbox button to open the guide, and then go to Store.; Select Search, and then enter Microsoft Rewards into the search box.; Choose the Microsoft Rewards app from the results, and then download it to your console.

Learn how to connect to a projector or to another PC in Windows using the keyboard shortcut "Windows logo key + P", the Connect app (for Windows 10), or the Wireless Display app (for Windows 11).

了解如何通过浏览器、Xbox 主机或 Windows 设备更改 Xbox 玩家代号。

了解如何重置更改 Microsoft 帐户密码。 获取有关忘记 Microsoft 帐户密码的帮助。