What is the best way to remove duplicate PST files in Outlook without using any software?

  • November 11, 2025 1:22 AM PST

    If the same emails appear inside one PST file. Then use the best tool like SameTools PST Duplicate Remover within in few clicks. It will quickly remove duplicate PST files like emails, contacts, notes, tasks, events, etc. This tool handles multiple duplicate PST files without affecting the original data. This software supports all Windows OS versions like 11, 10, 8.1, 8, and 7 without downloading any application. This software improves Outlook performance and saves you time and effort. Non-technical users can use this tool without technical skills, and they can use a free trial.