When you're working with a spreadsheet, duplicate data can sometimes make its way in and cause all sorts of problems. In this how-to, we demonstrate two methods of using Microsoft Excel for ...

Microsoft Power Query requires less specialized knowledge when trying to find duplicate records in a Microsoft Excel sheet. There are several ways to find duplicates in a Microsoft Excel sheet. You ...

Business issues such as incorrect transactions, data entry errors, technical glitches and poor system design may cause duplicate values in your data sets. Duplicate values can exist across rows or in ...

When a conditional formatting rule is overkill, use these VBA procedures to highlight duplicates and then remove the highlighting in Microsoft Excel. There are many ways to find duplicates in a ...

Jeff Fehring wants a way to find and eliminate duplicate songs in his large music collection. There are plenty of good programs for finding duplicate files–based on file name, size, and checksums–but ...