The type of support Microsoft provides depends on the product you're calling about and if you have a product for home or for business use. It can also depend on if you want help for an issue with a service like OneDrive or Outlook.com, or help with Windows, but you don't have an existing Microsoft 365 subscription. Learn more about which products are included for home or for business.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Check the Xbox services, games, and apps for any service outages.

了解如何添加新的 Xbox 好友，以便快速在线找到他们，为你的下一场游戏冒险做好准备。

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.

了解在迁移到新国家或地区时如何更新Microsoft 帐户以及更改区域的影响。

This security update includes fixes and quality improvements that are part of the following updates: May 12, 2026—KB5087544 (OS Builds 19045.7291 and 19044.7291) The following is a summary of the issues that this update addresses when you install this update. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are ...

如果在尝试将内容下载到 Xbox 主机时看到错误代码0x87E00011，请尝试以下解决方案。

Find and open File Explorer in Windows, and customize Quick access by pinning and removing files and folders.

如果无法更新 Xbox 无线控制器、Xbox Elite 无线控制器系列 2 或 Xbox Adaptive Controller，则可能存在配件的技术问题或固件问题。