The lookup function in Excel can save you a lot of time and effort, but only if you actually know how to use its many forms and alterations.

Populating a dropdown with a dynamic list is easy thanks to Microsoft Excel’s UNIQUE() dynamic array function.

Because the functions you're about to use produce spilled arrays, and spilled arrays don't work in formatted Excel tables, you need to type the formulas in areas of your spreadsheet that are not ...

An curved arrow pointing right. {} These brackets mean something magical is happening inside your Excel formula. An "Array" function allows you to perform mathematical operations on many cells ...

Microsoft Excel can do a lot of cool things. If you need it to generate random numbers, Susan Harkins can show you how.