You can spot repeated emails in an MBOX archive by comparing key message headers such as From, To, Subject, and Date. When all of these match, it usually indicates a duplicate message. In such cases, a specialized tool like SameTools MBOX Duplicate Remover can help you to remove repeated emails from MBOX files. The tool automatically scans duplicate MBOX items and allows you to remove them without affecting unique emails. It will keep your mailbox organized and safe. It is compatible with all Windows OS versions, including 11, 10, 8.1, 8, and 7. A free trial version is also available for testing.
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