You don't have to do it manually.

Use an Excel array function to create an AverageIf function Your email has been sent Excel doesn't have a built-in AVERAGEIF() function, but you can still average values, conditionally. Excel has ...

Microsoft has announced some improvements to the way formulas work in Microsoft Excel, introducing a new capability called Dynamic Arrays, which was first announced last year, but only available to a ...

Since their introduction in 1993, PivotTables have remained one of Excel’s most powerful tools for summarizing and analyzing large datasets. With just a few clicks, you can transform raw, unstructured ...

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 ...