When I require to perform OST to PST Conversion process, I always use EmailsGuru OST to PST Converter. It allow users to convert OST file to PST format saving emails, contacts, calendars, notes and all other items. It works with all versions of Microsoft Outlook, including Outlook 365, 2016, 2019, and earlier versions. Moreover, it has the capabilty to fix inaccessible Outlook OST files error by converting them into PST format. It is fully supportable to all versions of Windows including Windows 11, 10, 8.1, 7, XP, Vista and all below version. It is fully safe and easy method to convert Outlook OST file to PST thus any individuals or professionals can use this solution. New users are free to use a demo version without investing.
Read more: https://www.emailsguru.com/ost/pst/
It also specializes in preserving the original data structure (including all email components such as email messages, attachments, contact details, calendar items, task lists, and notes, etc.) throughout the entire transformation process to ensure complete data integrity, as well as maintaining the original folder structure of all emails so that the original information is never altered or lost.
Along with being able to output PSTs, the software will also export an OST file to various formats such as HTML & others; this gives users the luxury of choosing whatever format meets their specific needs. This user-friendly, easy-to-use interface can be used by any level of computer user basically without complications.
Overall, the OST to PST Converter provides a safe, secure, fast, and hassle-free way to manage and import your OST files from an email application such as Outlook to another email application (depending on your needs).
Visit for more insights: https://www.osttopstapp.com/