Trustworthy program to convert OST to PST, Use ( http://www.osttopstconverter-tool.com/how-to-convert-ost-to-pst.html ) software which fastly remove OST file corruption issue and export OST database into Outlook (PST/EML/MSG and HTML) along with all emails properties, emails headers and email information etc. To easily solve out of OST file error free and migrate OST file into Outlook with full attachments- embedded images, journals, tasks, remainders and notes etc. It recovered and split large sized PST file into small PST file (1GB up to 5GB).