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 ...

Comparing two columns in Excel doesn’t have to be a difficult task, and to get the job done, we suggest using VLOOKUP. You see, not always; the columns you want to compare are in the same workbook or ...

How to use Excel formulas to compare multi-column lists Your email has been sent Duplicates in the same column are easy to find by sorting, filtering, and using conditional formatting. When none of ...

Q. What is the best way to identify duplicate transactions that could have been entered into my Excel spreadsheet? A. Duplicates in spreadsheets can compromise data integrity, making it difficult to ...

Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in ...

When you want to clean up data in your Excel sheets, you should first check if there are any duplicates and if so, delete them. Sometimes it's not obvious, but it's actually quite easy to do. In this ...

There are two situations in which you might need to merge two columns of data in Excel 2013. If you've imported two columns of data from separate sources, you might want to combine them into a single ...