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.

How to compare Microsoft Excel columns with conditional formatting Use conditional formatting to highlight column and row differences with colors or other formatting options.

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

You can combine two columns in Excel using several formulas and tools available in the software. Here's how to combine two columns in Excel.

You can freeze columns in Excel with a few clicks, and then unfreeze them when you no longer need to view them statically.