Important Outlook Duplicate Remover 4.21 Update Released

Jul 13, 2026

A new version of Outlook Duplicate Remover is now available. This update improves support for subscription-based product activation and includes revised product instructions for clearer user guidance. This version has also been tested with the latest editions of Microsoft 365.

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I really enjoy using this software, as it does what it is supposed to do, and does it really well. It removes all the duplicates, and keeps my folders clean all the time. Will buy the full version..."
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