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 Can I Merge Two Columns of Data Using Microsoft Excel and Eliminate Duplicate Values?. There are two situations in which you might need to merge two columns of data in Excel 2013. If you've ...

Specify columns: Excel will prompt you to specify which columns you want to consider when identifying duplicates.

When you want to clean up data in your Excel sheets, you should first check if there are any duplicates and if so, delete them. Sometimes it's not obvious, but it's actually quite easy to do. In this ...

How to remove duplicates in Excel for a single column When you have duplicate data that you want to remove from a single column in your dataset, start by clicking into the column you want to dedupe.

You can split cells into columns in Excel using the "Text to Columns" tool, which is a great way to organize lots of data.