Functions like FILTER, SORTBY, UNIQUE, XLOOKUP, and VSTACK transform static grids into real-time data systems.

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 ...

The syntax for counting the number of unique values from a list of a column using the array formula is as follows: =SUM(IF(COUNTIF(<first cell from which you count the number of unique values>:<last ...

Even if you've been coasting through Excel without fully understanding what’s happening on every sheet you open, you’ve probably noticed curly brackets appearing in some formulas — even though you ...

In Microsoft Excel, SPILL errors occur when a formula returns multiple results, and Excel cannot return the results to the grid. In this tutorial, we will explain the ...