You can detect and remove duplicate PST files in Outlook efficiently. I suggest using a tool like TrustVare Outlook Duplicate Remover. This tool quickly finds duplicate PST files, such as emails, contacts, notes, tasks, calendars, and events, and eliminates them without any issues. The tool has a simple UI for non-technical users and they can use it without any technical skills. It will support all Windows OS versions like 11, 10, 8.1, 8, 7, and also support Outlook versions. Users can try the free demo versions before buying this tool.

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