Remove duplicate MBOX files, then use a specialized tool like GainTools MBOX Duplicate Remover. It can automatically scan MBOX files like emails, attachments, etc, and remove them without harming original data. The tool preserves the complete folder structure, attachments and formatting, ensuring no important data is lost, and there is no need to download any other application. It manages large MBOX files and supports multiple MBOX files at once. The tool offers a preview option after deleting duplicate MBOX files. It will support all Windows OS versions like 11, 10, 8.1, 8, and 7. With an easy user interface for non-technical users and safe processing, it provides a reliable way to clean Outlook and optimize mailbox performance.
Visit here:
http://www.sametools.com/duplicate/mbox/