An advanced utility with new advanced features is introduced by Cigati Solutions that can convert MBOX Files to PST File Format effectively. The tool allows securely converting the MBOX files into Outlook PST and multiple other file formats such as OST, DOCX, JPG, CSV, PDF, JSON, EML, EMLX, etc. The software also offers to import the MBOX files into numerous email clients like Office 365, Gmail, IMAP, Opera Mail, Yahoo Mail, Thunderbird, Hostgator, etc. A lot of features are added in the new release of the Cigati MBOX to PST Converter Tool.
Source: http://www.cigatisolutions.com/mbox-to-pst-converter/