Provides information for avoiding and reporting Microsoft technical support scams.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

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.

了解如何使用设备管理器更新Windows中的驱动程序或重新安装驱动程序。

Copilot in Word ushers in a new era of writing, leveraging the power of AI. Check out this article to learn more.

Change or set the default font in Outlook to use whenever creating new messages.

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

See a list of options available for starting Windows in diagnostic modes such as safe mode.

Create a template for email messages that you frequently send with similar contents.

Surface Pro 7 features Work your way. Transform Surface Pro 7 from a tablet to a laptop with the Kickstand and Surface Signature Type Cover. Use the USB-C and USB-A ports to connect to displays, docking stations, and your accessories.