Pareto Pro is an Add-In for Microsoft Excel 97, 2000 and XP which allows you to create Basic (single) and Advanced (multiple) Pareto charts. This software provides you with powerful tools to perform Pareto analysis, allowing you to easily slice and dice your data, quickly separating the vital few from the trivial many. Pareto Pro handles large data sets with ease accommodating up to 8000 unique items (levels) per category variable.