Learn how to use the VLOOKUP formula to compare a maximum of two columns to have common values returned or to locate missing data.

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.

You can use Microsoft's Spreadsheet Compare tool to get a color-coded chart showing how two spreadsheets compare and what's missing or changed from one to the other.

Microsoft Excel worksheets can become complicated, especially when comparing columns for validation. Manually cross-checking large datasets on your personal computer may cause you to overlook ...

Microsoft's Excel software is one of the best tools for you to organize, analyze, and manipulate data. Here are three ways to compare data in two columns.

Comparing two Excel sheets and combining the unique data can be done with the help of macros. There are several macros available for free that can be downloaded from the internet and tweaked according ...

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

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel's FILTER() function.