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

If you want duplicate values to stand out in an Excel spreadsheet, you can choose between two conditional formatting rules.

Highlighting or even deleting duplicate records in Excel is simple but listing them isn't as easy. Fortunately, you can use Power Query to easily display a list of duplicate values or records.

Excel's format painter doesn't just work with cell formatting—you can also duplicate formatting between shapes, charts, text boxes, and most other items in your spreadsheet.