If you're looking for an easy and effective way to convert Outlook OST files to PST format, I highly recommend using the GoldyTools OST to PST Converter. This reliable software allows you to export OST files to PST along with all attachments and mailbox items, ensuring complete data integrity.

In addition to PST, the tool supports multiple export formats such as EML, EMLX, MSG, HTML, and more—giving users flexibility based on their needs. Designed with a user-friendly interface, this converter is suitable for both technical and non-technical users, requiring no advanced expertise to operate.

Whether you're recovering data or migrating mailboxes, GoldyTools OST to PST Converter provides a straightforward and dependable solution.
https://www.goldytools.com/blog/import-ost-to-outlook-pst/