Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

How to use Transpose in Excel to rotate columns and rows to rearrange your worksheet data.

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How to combine text or data from two or more cells into one cell in Excel.

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

If you're moving from a Windows 7 or Windows 8.1 PC to a new Windows device, you'll find that the best way to get apps and games is through Microsoft Store.

If you're having problems with your Surface Pro model, Surface 3, Surface Studio, or Surface Book, try fresh start, restoring, refreshing, or resetting it to its factory settings.

If your computer is showing a black or blank screen in Windows, these troubleshooting tips could help get your system back up and running.

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.