Excel is a great tool for managing crucial data and carry out complex calculations. This is highly useful but as larger an excel spreadsheet gets, the calculation becomes slower. This is one of the frustrating issue most often faced by the users. Well, it might be neglected when the data is less but it becomes more profound as more data or calculations are added to the workbooks. Depending on the formulas, workbook size and the PC, the calculation takes more time and spreadsheet becomes slower.