If you are in search of a solution that can remove duplicates from PST files. SameTools PST Duplicate Remover is one of the best options. The tool locates the duplicate elements in the PST files and then deletes them, keeping the original data intact. It has a friendly user interface and thus even novices can manage the large quantity of PST files removal without the installation of any application. The utility is compatible with every version of Windows OS, be that 11, 10, 8.1, 8, and 7. The demo version of the product is available so that you can test it before actually buying it.