GainTools MBOX Converter lets users convert several MBOX files to PST, EML, EMLX, MSG, HTML, and other types of files all at once. This makes it easy to move emails from one or more MBOX files to PST files or other files. It's great for businesses and people who need to move a lot of mailbox data quickly. To make sure that everything stays in order and complete after the conversion, it also saves the original email data and folder structure.
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https://www.gaintools.com/mbox/
https://www.gaintools.com/mbox/pst/
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/