Internet Explorer 11 support ended on June 15, 2022. We recommend you use Microsoft Edge for a faster, more secure and more modern web browsing experience.

了解如何安装 Windows 7 Service Pack 1 (SP1)。 包含有关如何获取下载、要求和其他内容的信息。

Learn about what effect closing a Microsoft account might have on your other apps and services.

Learn how to open, navigate, and troubleshoot File Explorer in Windows, with answers to common questions and support assistance.

Note: The Phone Link doesn't currently support multiple Android profiles or work/school accounts. How to link your devices starting from Phone Link Make sure to have both your PC and Android device nearby, turned on, and connected to the same Wi-Fi network.

You weren't able to find your username. If the username lookup wasn't successful, try looking for your Microsoft account username within other products or services that you know are associated with that account. Read check your products or services to find out how.

Découvrez comment obtenir les dernières mises Windows jour pour assurer le bon fonctionnement et la sécurité de votre appareil.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Schedule a meeting. There are several ways to schedule a meeting in Teams: To schedule a meeting with members of a chat, open the chat and select More options at the top of the chat. Then, select Schedule a meeting .

Create decorative effects using WordArt or convert existing text to WordArt and customize with fill color, outline color, and effects.