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.

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

If you have two similar Excel spreadsheets, or different versions of the same original spreadsheet, it can be useful to compare the Excel files and see how they differ. If the spreadsheets are ...

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.

Excel provides built-in tools to help you to find discrepancies like Filters, Conditional Formatting, advanced functions (If and IS, VLookUp, etc.), and Add-ins.

The Data Analysis for Excel Video Series is designed to supplement Lesson 3 in the AQ-IQ curriculum. Learn about units of Air Quality PollutantsAQ-IQ Mentor Elise Mesenbring explains the concentration ...