Finding duplicate values in an Excel spreadsheet is a common task that can be accomplished in several ways, depending on the version of Excel you are using and the size and complexity of your dataset. Here are a few common methods for checking duplicates in Excel:
Conditional Formatting: This method allows you to visually identify duplicate values by applying a specific format to them. Select the range of cells you want to check for duplicates, go to the “Home” tab, and click on “Conditional Formatting” > “Highlight Cell Rules” > “Duplicate Values.” You can choose to highlight duplicates with a specific color, font, or border.