Say goodbye to repetitive formulas and hello to MAP, BYROW, BYCOL, SCAN, and REDUCE.

Use these formulas with caution.

Excel doesn’t have a built-in AVERAGEIF() function, but you can still average values, conditionally. Excel has SumIf and CountIf, but no AverageIf. However, with a little array magic, you can get ...

One of the most powerful features of Excel is the array—a formula designed to act simultaneously on sets of two or more values in order to calculate other values. Yet, because arrays appear to be ...

In Excel spreadsheets, complex formulas are difficult to enter without making mistakes. Microsoft Excel’s LAMBDA() function can make such errors easier to find. LAMBDA functions are new to Microsoft ...

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 instead ...

Have you ever found yourself staring at a sea of blank cells in Excel, wondering how to fill them without hours of manual effort? For years, this has been a frustrating bottleneck for professionals ...

Q. How do I use the FILTER function in Excel, and how is this an improvement over the filter feature? A. The FILTER function was introduced five years ago as part of the Excel Dynamic Arrays rollout.

Navigating the world of Excel can sometimes feel like trying to solve a puzzle with missing pieces. If you’ve ever found yourself wrestling with the XLOOKUP function, only to be met with a chaotic ...

Tonight’s tip of the night explains how you can use an array formula in Excel to confirm that values on a single row for multiple columns are the same, but discount any instances where a column has a ...