Here is my point, Download OST to ST Converter software is the reliable and best & unique third-party tool for recovery OST Emails, mailbox and also Convert OST files to PST Outlook format including MBOX, Office 365, Live Exchange server, MSG, EMLX, EML, OLM, Zimbra, Gmail, vCard, ICS, PDF, NSF, and etc. Now with one software, you can Split large size of Outlook PST files (1GB to 25GB).easily. It selects single & multiples items of Outlook OST by clicking Batch Conversion Option to convert OST to Outlook PST files with easily Messages Filters-> Date/Contacts/Size and etc.

download ost to pst converter tool