Comparing two columns in Excel doesn’t have to be a difficult task, and to get the job done, we suggest using VLOOKUP. You see, not always; the columns you want to compare are in the same workbook or ...

Microsoft Excel comes with a lot of built-in functionality that doesn't restrict you to comparing data in two columns using only one method.

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel's FILTER() function.

SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.