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

Build self-updating tables in Excel using spilled formulas and dynamic arrays. Combine SEQUENCE and COUNTA to make data adapt ...

Whether you're interviewing for an Excel-related job or teaching a beginner, using the right terminology is crucial. Above all else, knowing the difference between a range and an array is the key to ...

Excel’s BYCOL() and BYROW() functions evaluate data across columns and rows, returning an array result set allowing you to bypass a lot of work. Most Microsoft Excel functions are autonomous—one ...

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 ...

Microsoft is making some improvements to how formulas work in Excel, with a new feature called Dynamic Arrays that allows formulas to output values to more than one cell at a time. Microsoft has ...

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 ...

Format hierarchical financial data using formula-based conditional formatting rules. Build detailed Excel P&L layouts that ...

In addition to the new SORT function, you may also find the new FILTER and UNIQUE array functions useful. For example, the worksheet on the next page contains a detailed listing of invoices in columns ...