Learn how to create relationships between lists by using a combination lookup columns and relationship enforcement (cascade and restrict delete) to preserve the integrity of your data; and to view, edit, and delete items and lists in list relationships.

下载和安装. 通常 Skype for Business 是随 Microsoft 365 一起安装的。 如果已安装 Microsoft 365，但未安装 Skype for Business 且需要安装它，请参阅：

如需了解详细信息，请观看加入 Teams 会议视频。. 通过链接加入. 只需通过一个连接即可加入 Teams 会议。 在会议邀请中选择“ 立即加入会议”，将其带到一个页面，你可以在其中选择加入 Web 或下载桌面应用。 如果你已拥有 Teams 应用，会议将自动打开。

Get the latest info on new features for Microsoft Teams with these regularly updated release notes.

The delegate then adds the other person's mailbox to their own profile. After that, the delegate can send email on the other person's behalf.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

Training: With Microsoft Forms, you can create surveys, quizzes, and polls, and easily see results as they come in. When you create a quiz or form, you can invite others to respond to it using any web browser, even on mobile devices. As results are submitted, you can use built-in analytics to evaluate responses. Form data, such as quiz results, can be easily exported to Excel for additional ...

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

Learn how to change personal info, such as payment options and profile details, in your Xbox profile and Microsoft account.