A successful conversion is what you dreamt of when you buy any software application. When talking about OST Recovery Application, use its extremely worthy steps that will help you in getting excellent results after conversion. Follow all the successive steps and get orphaned OST data along with its contents into PST and that too in usable form.
Part 1 : Remove Encryption from OST file (S/MIME-Open PGP with Single Key)
Part 2 : Decrypt OST file Encryption (S/MIME-Open PGP with Multiple Keys)