You can automatically detect and remove duplicate emails from large MBOX files without loss of original data. Then you can use a specialized tool such as SameTools MBOX Duplicate Remover. This software scans your MBOX files and identifies duplicates like sender, subject, date, and email content, and removes only the repeated messages while preserving the original data. It handles efficiently with large MBOX files and maintains the folder structure, attachments. The tool supports all Windows versions, including 11, 10, 8.1, 8, and 7. It has a simple interface suitable for both technical and non-technical users. It helps save time, reduces mailbox size, and keeps your email data organized. A free trial is available so you can preview duplicate items before performing the final cleanup.
Visit here: http://www.sametools.com/duplicate/mbox/
Visit here: http://www.sametools.com/duplicate/mbox/


