OST file converter tool Free - benpaulkde/Outlook GitHub Wiki
All users can simply transfer email files, mailbox folders from damaged OST to PST Outlook format, then you can try KDETools for OST to PST Converter. The software is an easy way to recover corrupt files of offline .ost with save all attachments simply. The conversion software included extra key feature to split large PST files into small PST files (25GB).
Key-features-
• Batch Conversion Option.
• Split large size of PST files.
• Messages filtering option.
• Transfer OST into PST Outlook included different file formats such as-EML, Zimbra, Gmail, Office 365, Live Exchange Server, EMLX, MBOX, MSG, vCal, vCard, HTML, NSF, PDF and etc.