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 ...

Spreadsheets can quickly turn into chaotic messes of data if you're juggling multiple projects. While most people rely on basic dropdown filters, I handle almost every data management task with ...