Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in tools to expose and even delete duplicates, but they work on existing data after the fact.

Click on the Data tab. Then, click Remove Duplicates. Select the columns that might have copies in the dialog box and press OK. Excel will eliminate duplicate entries, leaving unique values.

Spreadsheet applications like Excel are great tools businesses can use to process and analyze large amounts of data stored in tabular format. Employee data entry errors like duplicate rows or ...

You don’t need a complex expression to add conditional formatting to a filtered PivotTable in Microsoft Excel.

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.