If you're looking for a reliable way to convert OST files to PST, the GoldyTools OST to PST Converter is an excellent solution—especially for Mac users. This powerful tool enables you to convert OST files into PST format while preserving all mailbox components, including emails, contacts, calendars, tasks, notes, and more.

One of its standout features is its ease of use. You don't need any technical expertise to operate the software—the conversion process is straightforward and user-friendly. In addition to PST, the tool also supports conversion to various other formats such as EML, MBOX, PDF, DOC, DOCX, CSV, and more, providing flexibility for different needs.

The GoldyTools OST to PST Converter is fully compatible with the latest macOS versions and remains functional on older versions as well, making it a versatile and dependable choice for anyone needing secure and accurate OST file conversion on a Mac system.
https://www.goldytools.com/blog/get-familiar-with-manual-ways-export-import-mails-from-ost-into-outlook-pst/