This add-in is purposed for merging cells in Excel. It joins multiple cells in one or more ranges, entire rows or columns equally well. Using the Merge Cells Wizard you can:
A great advantage of the Merge Cells Wizard is that it retains all data if the selection contains multiple values. If you try to do this using the standard Microsoft Excel option, you will get the error message: "The selection contains multiple data values. Merging into one cell will keep the upper-left most data only". But you'll never see it if you use the Merge Cells Wizard. Your data in Microsoft Excel will never be lost!