To successfully import an OST file into Outlook, the most effective method is to convert the OST file to PST format. This ensures that your data becomes fully accessible within any version of Microsoft Outlook.

We recommend using the GoldyTools OST Converter, a trusted solution widely recommended by Microsoft MVPs and IT administrators for its reliability and performance.

Why Choose GoldyTools OST Converter?

✅ Trusted by Experts: Endorsed by IT professionals and Microsoft MVPs.
✅ Broad Outlook Support: Fully compatible with Outlook 2021, 2019, 2016, and earlier versions.
✅ Multiple Export Formats: Convert OST files to PST, EML, HTML, PDF, MSG, and RTF formats.
✅ Handles Complex Files: Effortlessly converts large, orphaned, encrypted, or inaccessible OST files.
✅ Preserves Data Integrity: Ensures all mailbox items (emails, contacts, calendars, tasks, notes, etc.) are accurately recovered and accessible.

Whether you’re dealing with a system crash, profile change, or simply need to migrate data, GoldyTools Converter for OST provides a safe and seamless way to restore and access your Outlook data.
https://www.goldytools.com/blog/convert-ost-to-pst-file-format-in-simple-steps/