Learn how to download and customize Windows Media Player. Get troubleshooting help and how-to information for Windows Media Player 12.

Training: Watch and learn how to use Outlook to recall and/or replace an email in Outlook if all your recipients are using Microsoft Exchange.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

Download Office language interface packs (LIP) By pressing submit, your feedback will be used to improve Microsoft products and services.

Miracast wireless displays. Wirelessly connect your PC to a TV, projector, another PC, or other kind of external display that supports Miracast.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

The MATCH function searches for a specified item in a range of cells, and then returns the relative position of that item in the range. For example, if the range A1:A3 contains the values 5, 25, and 38, then the formula =MATCH(25,A1:A3,0) returns the number 2, because 25 is the second item in the range.

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.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.