Excel is a great way to build tables of data, but sometimes you need to make sure you don’t have any duplicates in your data. That may be easy if you only have a dozen rows, but what if you have thousands?
It’s very simple⦠use the Remove Duplicates menu option!
Here I have a table of ten data rows, four of which are exact duplicates. I can delete those using Table Tools > Design > Remove Duplicates:

Excel will ask you what columns you should use to compare duplicates. By default, it selects the entire row:
When you click OK, the duplicate rows are deleted and you now have unique table rows: