To compare two excel sheets click compare button in the Add-Ins tab. This will open a new dialog window appears, where the first spreadsheet and the second spreadsheet to be compared can be selected.

You can use Microsoft's Spreadsheet Compare tool to compare Excel spreadsheets and see how they're similar or different. You can also export the spreadsheets to the text-based comma separated ...

Use these free online document comparison tools to identify the differences between two versions of DOC, DOCX, RTF, PDF, PPT, PPTX, etc, files.