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.

Excel provides built-in tools to help you to find discrepancies like Filters, Conditional Formatting, advanced functions (If and IS, VLookUp, etc.), and Add-ins.