Do not download and fake OST file recovery tool, simply download the eSoftTools OST recovery software because it comes with a very advanced algorithm that helps you to recover damaged, corrupted, and lost OST files. With this tool, you can easily recover an OST file to PST and many other file formats such as EML, EMLX, HTML, Yahoo, Gmail, Office 365, MBOX, Zimbra, MSG, ICS, and vCard. It's also able to recover multiple OST files together. Download the free demo version of this tool from the official website of eSoftTools.
Read more- Best OST to PST Converter tool