If you're wondering how to convert OST to PST without using Outlook, we highly recommend the GoldyTools OST to PST Converter. This powerful and user-friendly software allows you to convert OST files to PST format without requiring Microsoft Outlook.

The tool supports the export of complete OST data—including emails, attachments, contacts, calendars, and more—to PST and other formats such as Office 365, HTML, EML, MSG, and EMLX.

Key Highlights:

Converts OST to PST without Outlook installation

Supports multiple export formats: PST, Office 365, HTML, MSG, EML, EMLX

Maintains original folder structure and metadata

Suitable for both technical and non-technical users

Works with both healthy and corrupted OST files

Free Demo Version Available:
The demo version allows you to convert 20 items per folder, helping you evaluate the software before purchasing.