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

Find everything you need to manage your Xbox account, profile, and more.

了解如何将 SharePoint 文件同步到计算机，或如何在不使用 Office 365 时同步 OneDrive for Business 文件。

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

Summary. This update includes a new user interface (UI) functionality for Windows Update in Windows.

Aprenda a restablecer o cambiar la contraseña de su cuenta Microsoft. Obtenga ayuda con una contraseña de cuenta de Microsoft olvidada.

Get answers to questions about how indexing affects searches in Windows 10.

如果您始终使用 Excel 处理同一工作簿或基于同一模板创建新工作簿。 您可以将 Excel 设置为在启动时打开该工作簿或模板。