Yes, if your PST file is too large and your system hangs during duplicate PST email deletion, then you can use “SameTools Outlook Duplicate Remover.” The tool is designed to handle a large number of duplicate PST files without slowing down your system. This software automatically scans and removes duplicate emails from all folders without losing your original data. This utility capable of all Windows OS versions like 11, 10, 8.1, 8, 7, and aslo it is eange with ANSI and UNICODE, and you don’t need to install any other application. It ensures the process is quick with 100% accuracy, safe, and smooth, even on systems with limited performance. You can try their free trial.