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

To pinpoint duplicate entries, apply Excel's conditional formatting feature: Open the Excel worksheet containing the data in question. Select the column or range you want to inspect for duplicates.

If you wish to count the same or duplicate values in a column only once in Excel or the count of occurances of duplicate values, read this article.

How to remove duplicates in Excel for a single column When you have duplicate data that you want to remove from a single column in your dataset, start by clicking into the column you want to dedupe.

How to find duplicate data in Excel? If you want to check for any duplicate data in your Excel file before deleting it, follow this procedure: Select and highlight all the data you want to search for ...

By definition, Microsoft Excel 2007 considers a duplicate to be a row of data that matches another row in your worksheet exactly. When you evaluate a single column of data, Excel finds single-cell ...

By using the Highlight Cells Rules, you can highlight duplicate cells in your Excel worksheet to avoid confusion and mistakes.

Prevent duplicates before they happen by combining a simple function with data validation.

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.

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.