Microsoft Excel is the most commonly used spread sheet program all over the world. Excel has many built in functions and formulas to manage and analyze your data efficiently but there are occasions when you feel that the built in functions are not sufficient to perform some tasks. Excel Accelerator is the collection of some useful tools specially designed to enhance the functionality of Microsoft Excel. i) It enables you to perform actions that might otherwise be impossible. ii) Make it easy to access built in excel options. iii) Custom functions to perform complex calculations.