To batch convert OST files to PST format, you can use a professional EmailsGuru OST to PST Converter tool. It is dedicated tool convert single or multiple OST files to PST format in a single process. This tool easily migrate OST files to PST file format including emails, contacts, calendars notes and all other items. It is fully supportable to all versions of Outlook and Windows Operating Systems.
- https://www.emailsguru.com/ost/pst/
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