Simplify data analysis with Excel PivotTables. Learn how to replace formulas, uncover trends, and create dynamic reports in minutes.

Windows 10 offers a built-in Power mode control, available when you click on the battery icon on the system tray. It’s a slider that can instantly push the computer between Best battery life, Better ...

Audit your home for energy leaks, tweak usage habits and install efficient appliances and fixtures to reduce your electric bill. Many, or all, of the products featured on this page are from our ...