Before it took over her life, Leila Gharani mostly took Microsoft Excel for granted. She was working on a process optimization project for a large paper-products manufacturer—a job that, to hear her ...

Instantly improve your Excel workflow with these simple techniques.

Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any ...

Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...

Don't waste time browsing through Excel's many menus to fix your spreadsheet.