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.

This option only appears if Excel detects data adjacent to the selected column. Uncheck all columns except the one containing the consolidated data and click "OK" to remove duplicates.

How to Remove Duplicates That Are Case Sensitive in Excel 2007. By definition, Microsoft Excel 2007 considers a duplicate to be a row of data that matches another row in your worksheet exactly.

You can remove duplicates in Excel in a few steps. Duplicates can create problems when you're dealing with data.

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 ...

However, Excel's random number functions are volatile, meaning they change constantly. In this article, I'll show you how to generate and fix random numbers and remove duplicates.

If your spreadsheet has a lot of unwanted duplicate values, you're not stuck with them. You can remove them. We'll show you how to remove duplicates in Excel.

Microsoft Excel is perhaps the most powerful spreadsheet application you can buy. But it also has some simple functions, like finding duplicates in data.