If you have two similar Excel spreadsheets, or different versions of the same original spreadsheet, it can be useful to compare the Excel files and see how they differ. If the spreadsheets are ...

I could easily see the differences between two versions of the same HTML file, and merge them any way I wanted to. Beyond Compare also has a feature for finding differences between image files.

Microsoft's Excel software is one of the best tools for you to organize, analyze, and manipulate data. Here are three ways to compare data in two columns.

See: 10 Excel time-savers you might not know about (TechRepublic) Custom rules The two lists shown in Figure A are similar, but there are subtle differences. A few items are unique to both lists.