Through ost converter crack tool which is the able to conversion ost file to pst file. With the assistance of this software, you can convert ost file to pst file, Office 365 account, pst file, EML, EMLX, MSG, HTML, MHTML, MBOX, VCF, CSV, ICS, Live, Exchange Server, Zimbra, Gmail, Yahoo, and etc.  or another file format by just applying some simple steps. 
1- Batch option.
2- split option.