I recommend the eSoftTools "MBOX to PST Converter" tool if you want to convert MBOX files to Outlook PST. It can also convert MBOX files to other formats including NSF, MSG, EML, EMLX, HTML, and PST. Thunderbird, Apple Mail, SeaMonkey, Eudora, and other MBOX mailboxes are all supported by this software. With just a few clicks, you can convert several MBOX files.
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