Here, I suggest the best and reliable tool for recovery of the corrupted .ost file use OST to PST converter tool. This tool recovers the encrypted .ost files and converts the restored file into various options like PST, Office 365, MBox, EML, MSG, and vCard. It supports all version of MS Outlook 2000, 2003, 2007, 2010, 2013, 2016, 2019, and a preview is shown to the user before converting the file into another format. This program is easy to download from official website and simple to use. A FREE DEMO version is also available of this tool, by this demo 30 emails can be converted into each format easily.