To convert MBOX files to Outlook PST format, Install
MBOX to PST converter software which can convert single or multiple MBOX files to PST with all data items such as calendars, journals, sent items, emails, attachments, contacts, hyperlinks etc. The software move emails from MBOX files of Thunderbird, Spicebird, Entourage, Pocomail, Eudora, MacLiveMail, Mulberry, OperaMail, SeaMonkey, scape, Evolution, Sylpheed, ClawsMail, Cone, Mutt files and Gnu Mail files to PST files. See more info at:
http://www.mboxtopstconvert.net/