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 ...

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 ...

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 ...

Removing duplicates in Excel is an essential skill for anyone who works with large datasets. Whether you’re cleaning up customer information, analyzing financial data, or organizing a mailing list, ...

Duplicate entries may be valid -- but when they aren't, they can derail your summaries and totals. Use Excel's Validation feature to reject duplicate entries. Duplicates aren’t always a bad thing — ...