If you want solve your problem how to convert ost file to pst file then you can try best and secure GSTECH OST to PST Converter software because this software use very high and safe technique to convert your ost file into pst. There are numerous motives exchange customers are compelled to export OST documents to PST. But, OST files can get damaged or deleted by accident. After conversion the entire OST emails will be transferred to PST. In any emergency state of affairs, GSTECH tool can import corrupted OST to PST.