If you're searching for a reliable and secure OST to PST converter, I highly recommend the Microsoft OST to PST Converter by Goldytools. It’s one of the most trusted and efficient tools available, offering 100% safe and accurate conversion of your OST files—no data loss, no complications.

What makes this tool stand out is its ability to convert OST files into multiple formats, including PST, MSG, MBOX, HTML, EML, and EMLX. With just a few clicks, you can convert not only emails, but also attachments, calendars, contacts, notes, journals, and all other mailbox components—such as To, Cc, Bcc fields, embedded images, and attachments.

Key Features:

Converts OST to PST, MBOX, MSG, EML, HTML, EMLX, and more

Supports conversion of all mailbox elements

Free preview of mailbox content before conversion

Fully compatible with all versions of Microsoft Outlook and Windows

Simple, intuitive interface for both technical and non-technical users

Whether you're dealing with an orphaned OST file, migrating data, or just need a backup in a different format, this tool gets the job done—quickly and securely.
https://www.goldytools.com/blog/high-security-ost-to-pst-converter-for-ost-to-pst/