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Is there a perfect way to remove duplicates from an MBOX file?

Natalieperker
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November 5, 2025

What is the most efficient and secure method to detect and remove duplicate emails from large MBOX files while ensuring that no original data or attachments are lost during the process?

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Taliah15
Contributor
November 5, 2025

The best way is to use a trusted MBOX deduplication tool that scans emails by unique IDs and content hashes—this ensures no duplicates slip through and every attachment stays intact. Always back up your original MBOX first to keep your data safe while cleaning up efficiently! @Natalieperker 

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