The most simple solution to convert OST file to PST format is EmailsGuru OST to PST Converter. It offers users to convert OST file to PST format saving emails, contacts, calendars, notes, etc. It is highly effective and user-friendly tool designed to help users to convert OST file into PST file without any data loss. This tool is known for its excellent performance, high accuracy, and ease of use. This utility preserves all emails data, attachments and original folder hierarchy throughout the process. It is fully supportable to Outlook 2019, 2016, 2013 and all earlier version. This tool smoothly works on all versions of Windows Operating Systems, offering seamless compatibility. It also offers a free trial version to users. 

Download free trial here: https://www.emailsguru.com/ost/pst/