How can I import MBOX emails into Outlook without losing attachments?

Question

I have an old email archive saved in MBOX format that was exported from Thunderbird. I recently switched to Outlook and realized it doesn't recognize MBOX files directly.

I looked into using Thunderbird and the IMAP method, but it seems like a long process, especially because my mailbox contains several thousand emails with attachments and multiple folders. I'm also worried about losing the original folder structure or email metadata during the transfer.

Has anyone found a reliable way to convert MBOX files to Outlook PST while keeping emails, attachments, and folder hierarchy intact? I came across the BitRecover MBOX to PST Converter while searching online, but I'd like to know if anyone here has used it or can recommend a better approach.

Any suggestions or real experiences would be appreciated.

tylerhoward · Answer

If you want to import MBOX emails to Outlook without losing attachments, don’t use drag and drop or free online tools, especially for large mailboxes. They oftenmiss attachments or screw up the original folder structure. I recently migrated a Thunderbird archive with Softaken MBOX to PST Converter and it preserved emails, attachments, headers, and folder hierarchy exactly as they were. The preview feature was helpful to check everything before exporting. The generated PST opened in Outlook with no missing data. Worth trying a trial version before you migrate your entire mailbox.

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