To delete duplicates from a CSV file with 4n6 CSV Duplicate Remover, you can follow an easy process. Begin by opening the tool and choosing the CSV file from which you will be deleting duplicates. Then, select the column(s) that you wish to use as the basis for identifying duplicates. This is an important feature since it provides you with an option to tailor the deleting process to your individual requirements. After you have chosen the criteria, just press the "Remove Duplicates" button. The software will immediately process the file, removing all duplicate entries according to your specified criteria.