Regain OST to MBOX Converter enables users to upload Exchange Outlook emails, contacts, calendars, tasks, notes, etc, to the software so that the whole data can be converted completely to MBOX or other file formats. Besides MBOX file format, this software also can convert user's OST data to PST, EML, EMLX, PDF, TGZ, MSG, HTML, ICS, and VCARD format without any hassle.