The OST to PST Conversion by using vMail OST to PST Converter Software. This tool offers every user to extract all mailbox items from the OST file such as- emails, contacts, chats, tasks, notes, etc to multiple readable file-formats including- PST, EML, EMLX, MSG, and HTML. Get a free trial version of this tool that will allow every user to Export selective 30 items from each mailbox of OST file to PST without any charges.
Know more info- https://www.vsoftware.org/ost-to-pst-converter.html