With GainTools MBOX Converter, it can convert MBOX files to PST, EML, EMLX, MSG, HTML, and other types of files. It's strong and simple to use. Moving emails from Thunderbird, Apple Mail, and other email apps that work with MBOX to Outlook is simple. This is the best choice. It's easy to use, quick, and the tool saves the order of your emails, files, and folders. Move one MBOX file at a time or many at once; it makes the process smooth and easy. You don't have to worry about which OS you're using, either, because it works with both.
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https://www.gaintools.com/mbox/pst/
https://www.gaintools.com/mbox/
https://www.gaintools.com/how/export-thunderbird-to-ms-outlook-pst-file-format/
https://www.gaintools.com/how/export-mbox-to-pst-manually/
https://www.gaintools.com/how/convert-mbox-to-pst-freely/
https://www.gaintools.com/how/export-email-items-from-cpanel-to-outlook/