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.

By using the Highlight Cells Rules, you can highlight duplicate cells in your Excel worksheet to avoid confusion and mistakes.

If you want to check for any duplicate data in your Excel file before deleting it, follow this procedure: Select and highlight all the data you want to search for duplicates (don’t include headers), ...

Microsoft Excel is perhaps the most powerful spreadsheet application you can buy. But it also has some simple functions, like finding duplicates in data.

If you want duplicate values to stand out in an Excel spreadsheet, you can choose between two conditional formatting rules.

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 ...

You can remove duplicates in Excel in a few steps. Duplicates can create problems when you're dealing with data.

When a conditional formatting rule is overkill, use these VBA procedures to highlight duplicates and then remove the highlighting in Microsoft Excel.

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