If you want Convert Your MBOX file to PST file, you should try this Regain MBOX to PST Converter and Convert your MBOX file to PST file. This Software allows user to Convert MBOX file to PST, EML, MSG, EMLX, HTML and Office 365 Platform formats. Regain MBOX to PST
Converter utility integrated with strong algorithm and it is efficient to convert all data to pst format along with attachment, images, all available meta data into your emails.
You can also try this Software free demo here: MBOX to PST