Want to convert PST files to MBOX format so can try KDETools PST to MBOX Converter. The software also allows saving your data into various file formats such as EML, EMLX, MSG, HTML, and etc. format. PST to MBOX Converter allows saving information like emails, messages, contacts, appointments, notes, contacts, etc. The software perfectly maintains Meta-properties like to, cc, bcc, subject, from, attachments, etc.