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.

Excel 2013 can locate duplicate rows as long as one column contains a unique identifier for each record, such as a product ID or account number. By referencing this identifier, you can find duplicates ...

If you wish to count the same or duplicate values in a column only once in Excel or the count of occurances of duplicate values, read this article.

How to extract a list of duplicate values across two columns in Excel Your email has been sent There are a number of ways to highlight duplicate values. Conditional formatting might be the most common ...

How to use Excel formulas to compare multi-column lists Your email has been sent Duplicates in the same column are easy to find by sorting, filtering, and using conditional formatting. When none of ...

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