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Free methods to convert OST to PST

shivosttopst
1 month ago

If you're looking for free methods to convert OST to PST, here are some reliable approaches:

1. Using Microsoft’s Native Methods (Free)

a. Recreate Outlook Profile & Export to PST

Since OST files are offline copies of Exchange mailbox data, you can reconnect to the Exchange server and export data to PST:

  1. Open Control Panel > Mail > Show Profiles.

  2. Add a new profile and set up your Exchange account.

  3. Once synchronized, open Outlook, go to File > Open & Export > Import/Export.

  4. Choose Export to a file > Outlook Data File (.pst).

  5. Select the folders and save as PST.

Limitation: Requires access to the original Exchange server.

b. Use Outlook’s Archive Feature

If you can open the OST in Outlook:

  1. Go to File > Info > Cleanup Tools > Archive.

  2. Select folders and choose PST as the destination.

2. Using Free Conversion Tools (Third-Party)

Some tools offer limited free conversions:

  • RecoveryFix OST to PST Converter (Free Trial)
    → Exports a few items per folder for free.

  • OST2 Converter (Free Demo)
    → Allows preview and partial export.

  • Frre OST to PST Converter (Free Trial)
    → Limited free conversion.

Note: Free versions usually have limitations (partial export, watermarking).

3. Manual Conversion via Thunderbird (Workaround)

If you can’t access Exchange:

  1. Install Thunderbird and ImportExportTools NG add-on.

  2. Import OST via mbox format (indirect method).

  3. Export emails to PST (limited success rate).

4. Using Kernel for OST to PST (Free Scan)

  • Scans and previews OST files for free.

Which Method Should You Choose?

  • If you have Exchange access, use Outlook’s export feature.

  • If OST is orphaned, try a free tool (with limitations).

  • For complete conversion, consider a paid tool if data is critical.

Would you like recommendations for a paid tool if free options don’t work?

Parents
  • 0 1 month ago

    You can also convert OST files to PST files the manual way, which is free and takes time. But doing it by hand is hard and takes a long time.  This method can't be used by everyone. So, the best thing to do is to use the GainTools OST to PST Converter Software. Without taking too much time, it converts OST files to PST files. You don't need MS Outlook to convert more than one OST file to a PST file. All versions of MS Outlook and Windows OS can use it. It converts all OST emails to PST files without losing any information. There is also a free version you can try.

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  • 0 1 month ago

    You can also convert OST files to PST files the manual way, which is free and takes time. But doing it by hand is hard and takes a long time.  This method can't be used by everyone. So, the best thing to do is to use the GainTools OST to PST Converter Software. Without taking too much time, it converts OST files to PST files. You don't need MS Outlook to convert more than one OST file to a PST file. All versions of MS Outlook and Windows OS can use it. It converts all OST emails to PST files without losing any information. There is also a free version you can try.

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