Excel spreadsheets do so much, from making lists to crunching numbers to acting as sophisticated flat-file databases. We’re creating this guide to make sure you master all the essentials and more.

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...