Free Outlook OST to PST Converter Tool to fix ost file and export ost file to pst file easily. The OST file converter software is an ideal solution for converting the OST file into PST file format. Using this ost file  export tool solution users can conversion OST file to PST , Office 365 account, pst file, EML, EMLX, MSG, HTML, MHTML, MBOX, VCF, CSV, ICS, Live, Exchange Server, Zimbra, Gmail, Yahoo, and etc. without any limitation.