There are two built-in functions in Numbers that you can use to find duplicates. Move your cursor over the column you want to sort by.Ĭlick the arrow that displays next to the column letter and choose either Sort Ascending or Sort Descending.įind Duplicates in Numbers With Functions Select the table of data by clicking anywhere in the table and then clicking the circle on the top left. This method might actually save you time in the long run, but again, only if you don't have thousands of rows in your sheet. If you don't have a lot of data in your spreadsheet, you can sort it and check for duplicates manually. We're going to show you a few different methods you can use to find duplicates and then either mark them or eliminate them if you like. And if you have a lot of data in your spreadsheet, finding and removing those duplicates can be a challenge. This could be names, email addresses, products, colors, or something else. When you're working with data in Apple Numbers on your Mac, you may run into a situation where you have duplicates.