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

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

How can we find duplicate values across multiple columns? For this task, we’ll use two Excel helper formulas: One to concatenate the columns you’re comparing; a second to count the duplicates.

Microsoft Excel can do a lot of cool things. If you need it to generate random numbers, Susan Harkins can show you how.

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 ...