Yes, you can significantly optimise Outlook performance by cleaning huge duplicate PST files. Then try the SameTools PST Duplicate Remover, which I personally use and recommend. The tool automatically scans PST files for duplicate items, including emails, notes, tasks, contacts, calendar entries, attachments, and more, and removes them efficiently with just a few clicks. Its simple, user-friendly interface makes it perfect for non-technical users requiring no technical skills. The software is fully compatible with all Windows OS versions including 11, 10, 8.1, 8, and 7. It offers a preview feature so you can review duplicates before deletion and provides a summary report after cleaning. Additional features include is it will be optimize Outlook performance, keeping a clean mailbox and saving time. You can try the free trial before buying this software.

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