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.

Matching One Column Data with Another in Excel. If you don't have a keen eye and a perfect memory, you probably can't spot all the differences between two data columns in a large worksheet.

Sorting is one of Microsoft Excel's easiest tasks. Click; you're done! At least until you need to sort by multiple columns. For this sort task, you'll need a custom sort. Here's how.