Use Find my device to locate and lock your lost or stolen Windows devices.

If your Surface touchscreen doesn’t work, try these steps first. To try to resolve these issues, you can begin by following the steps below to boot to UEFI and test touch functionality, reinstall the touchscreen driver, check for Windows and Surface updates, or reset Surface.. If that doesn't resolve the issues, you can find more info in Is your touchscreen still not working?.

Xbox Game Pass Ultimate includes all Game Pass benefits, including more than 100 high-quality console and PC games. New games are added all the time, so there’s always something new to play.

Find out how the Windows location service works and how to change the location privacy settings.

Training: Get up to speed in minutes, quickly refer to things you’ve learned, and master keyboard shortcuts with these handy cheat sheets for Microsoft Office.

Свяжитесь со службой поддержки Майкрософт для решения проблем или получения помощи оператора.

PV 是一个财务函数，用于根据固定利率计算贷款或投资的现值。 可以将 PV 与定期付款、固定付款（如按揭或其他贷款）或投资目标的未来值结合使用。 可使用 Excel 公式指导根据设定的月还款计算你可以承担的现值（贷款金额）。 同时，你将了解如何在公式中使用 PV 函数。

Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them. Some add-ins are built in to Excel, such as Solver and the Analysis ToolPak. Some other add-ins are available from the Download Center, and must first be downloaded and ...

Select the message you want to view. You can search email quickly by using the search option. Search by using keywords used in the message or by using someone’s name.

Find out how to access OneDrive settings and pause features with the OneDrive Activity Center. Learn how to customize your cloud storage and file sharing preferences.