Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

Learn what SharePoint is, in its various forms, and where to learn more about it.

Learn how to manage automatic file downloads from your Windows apps when you use an online storage provider, such as OneDrive Files On-Demand.

Learn how to get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

Skype 帮助和学习 重要: 2025 年 12 月 20 日更新：我们将必需导出 Skype 数据的期限延长至 2026 年 6 月。 请通过 此处 的 Skype 导出门户提交下载数据的请求。

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

How to combine text or data from two or more cells into one cell in Excel.

How to track changes in Word using revision marks. Accept, reject, or hide changes made by others working in the file.

Discover Settings, the essential app for configuring your PC. It provides a user-friendly interface to personalize Windows and manage your system effortlessly.