Outlook ost to pst converter Software smartly migration of ost files to Outlook PST file format easy for you. This software to convert selective ost file to pst file with save all attachments. The outlook ost converter tool makes sure a well-satisfied result is provided to the users. The ost to pst migration program is capable to provide risk free export. The ost file converter tool only changes the file format. It doesn't cause any change in the text and the content structure. Its tool easily restore Outlook OST to PST and various file formats such that PST, Office 365 account, olm, EML, EMLX, MSG, HTML, MHTML, MBOX, VCF, CSV, ICS, Live, Exchange Server, Zimbra, Gmail, Yahoo, and etc.