Data Cleaner for Microsoft Excel Description:

The Data Cleaner is a Microsoft Excel add-in that takes the pain out of modifying your data. With the Data Cleaner, you construct simple lists which contain the before text and after text. Then you just select the lists to use, indicate which cells are to be modified and let Data Cleaner do the modifications for you. And you can re-use the lists the next time you need to modify your data.