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'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 ...

Duplicates in the same column are easy to find by sorting or filtering. Duplicates that span multiple columns require a bit of setup, but the solution's not difficult to implement. Finding duplicate ...

Excel 2013 can locate duplicate rows as long as one column contains a unique identifier for each record, such as a product ID or account number. By referencing this identifier, you can find duplicates ...

Microsoft Excel and Google Sheets, two leading spreadsheet applications, offer many features to help users work efficiently with their data. One shared challenge spreadsheet that users face is ...

When it comes to working with data, whether it's a basic list of entries or a large dataset, Excel is usually one of the go-to tools for most people, and for good reasons. First off, it allows you to ...