SysInspire Outlook OST to PST Conversion Tool is best software that supports any size of Outlook OST file recovery and open it within minutes. While using this software, you can see the preview of each OST mailbox items. This software has comes with more than 8+ conversion options which give you flexibility to convert OST emails to different-different email clients.

The conversion options for OST file are – OST to PST, EML, MBOX, MSG, EMLX, CSV, ICS, VCF, HTML and OST to Office 365.

Get the software - OST to PST Converter
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I only recommend you eSoftTools Outlook OST to PST converter software, that can solve any queries related offline OST files and also repair corrupted OST files.
The Features of eSoftTools OST to PST Converter software -

* Display the preview of all selected OST files before conversion.
* User can save email properties such as TO, CC OBJECT, BCC (DATE and TIME.
* Support older and latest version of MS Outlook version 97, 98, 2000, 2002, 2003, 2007, 2010, 2013, 2016 and 2019.
* You can convert your OST Mailbox into PST, Office 365, HTML, EMLX, MBOX, MSG, vCal, vCard and EML file format.
* Provide 24 x 7 and 365 days technical support.
* 100% safe method to recover damage OST database
* Gives live preview of selected Offline OST files

Download its free trial version and recover the first 50 items per folder.

For trial version, please check - Outlook OST to PST Converter