Spreadsheet Compare is a Microsoft Excel Add-In.
Spreadsheet Compare is a Microsoft Excel Add-In, written in VBA, that performs a cell-by-cell comparison of Worksheets within the same or different Workbooks. Requires Excel 2000 or later.
Features

* Compare Excel Worksheets/Excel Workbooks.
* Performs a cell by cell comparison of two workbooks.
* Multiple Worksheet can be checked at one time.
* Toolbar and menu access from within Excel.
* Generate a simple report Workbook of the compare results.
* Generate a merge differences report of the compare results. you can free download Spreadsheet Compare 1.16 now.