Learn how to install Skype for Business on your Windows computer, mobile device, or Macintosh.

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

Create a channel in Microsoft Teams by selecting Create channel from the menu next to the channel name.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

获取有关 Windows 安全的帮助; 在 Microsoft Edge 中查看和删除浏览器历史记录; 删除和管理 Cookie; 重新安装 Windows 时安全移除有价值的内容

The Basics of Search. Returning search results is no easy feat, and involves complex, near-instantaneous algorithmic calculations. A search for something as simple as “cat” could yield over 55 million results.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

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

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.

OneDrive for Business provides one place to store, share and sync your work or school files.