Learn Excel using Excel, online and interactively with intelligent feedback. Over 200 free exercises and tutorials, Sheetzoom teaches the hardest vlookup, if, pivot tables and charts in Excel. Use VLOOKUP to compare two lists. Brilliant for reconciling data to find a difference or a match. Using this method you can compare lists of data in the same sheet or in a different sheet. You will learn how to get your data ready for a VLOOKUP and how to fill-in the different parts of the VLOOKUP function.