What is the most efficient method to convert OST files to PST format in 2025?

[samuel astor]

Easily convert, repair, and recover your OST files with the powerful GoldyTools OST to PST Converter. Whether you're dealing with corrupted files, deleted data, or simply need to migrate your OST files to Outlook or the cloud, this software offers a complete solution — all in one user-friendly platform.

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Whether you're recovering lost data, repairing a damaged OST file, or planning a mailbox migration, GoldyTools OST to PST Converter is the reliable tool you need to get the job done efficiently.

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[michaelsmith]

You can convert OST files to PST format in 2025 in two ways, which are useful for many users to complete the conversion task.

Method 1: Outlook Import/Export Wizard
If you have an active Outlook profile with an Exchange connection, you can use the built-in Import/Export Wizard of MS Outlook to convert OST files to PST format.

1. Open Outlook (with the OST file connected).
2. Go to File > Open & Export > Import/Export.
3. Select Export to a file > Outlook Data File (.pst).
4. Choose the OST folder you want to export and click Next.
5. Choose a location to save the PST file, then click Finish.

But, if your OST files are orphaned, inaccessible, damaged, or corrupted, you need to utilise a dedicated tool like OST to PST Converter (GainTools). With the use of dedicated tools, you can efficiently convert OST files to Outlook PST format.
To Learn More: Two Manual Ways for OST to PST File Conversion