Download outlook ost to pst converter software to transfer files from ost to pst file. Just use unique solution of kdetools outlook ost file converter software. It is the right way to convert ost file to pst file. The ost to PST Converter software to convert single or bulk ost files to PST files. The ost export tool to convert ost file to pst file and also import ost file properties in PST , Office 365 account, pst file, EML, EMLX, MSG, HTML, MHTML, MBOX, VCF, CSV, ICS, Live, Exchange Server, Zimbra, Gmail, Yahoo, and etc.