Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。

Improve security, evaluate and mitigate the risks of running macros, and see how to enable or disable macros for Microsoft 365.

Find out the steps you can take if you receive a message telling you a driver can't load on your device.

The Planner app in Microsoft Teams brings together all your tasks and plans across the Microsoft 365 ecosystem in a single convenient location. It helps you manage tasks more efficiently for individual plans and team initiatives, as well as larger scale projects that are aligned to goals and key strategic objectives.

Copilot in Microsoft Teams meetings helps you capture and share the key points, action items, and outcomes of your online meetings.

Learn how to add and remove group members and to promote and demote group owners in Microsoft 365.

To change your profile picture in Microsoft Teams, click your existing profile picture and select the camera icon.

Correct the #N/A errorin the VLOOKUP function. INDEX and MATCH offers more flexibility with matches. INDEX and MATCH can find an exact match, or a value that is greater or lesser than the lookup value.