How to compare columns in Microsoft Excel As stated, we can use the Excel VLOOKUP function to find and match different data or find differences in two columns.

When comparing two columns, you can use it to know which data from the first column is also found in the second column. Here's a step-by-step guide on using VLOOKUP in Excel to compare two columns: ...

To use VLOOKUP to find data in another Excel workbook requires multiple workbooks' relevant data. Once you have them, follow these steps.

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.