Exchange server OST files are very susceptible to multiple corruption threats. There are different physical and logical factors that affect integrity of OST file and result OST file in inaccessible or orphaned mode. Those OST files can be recovered only by converting into PST format and it needs a reliable OST to PST converter. You should not get confused while choosing OST recovery tool as Kernel for OST to PST can provide you the best possible result of OST recovery. While working as the most suitable OST to PST conversion software, it export entire items of the Exchange OST file such as inbox, sent items, deleted items, emails, attachments, contacts and others to Outlook PST file. It also offers you to save recovered OST file data in DBX, EML or MSG file format. You can also recover email in various formats like Plain Text, RTF, and HTML format. This email conversion software is also equipped with advanced email filter options such as date filter to search emails date wise and Find message option to search particular email message. It displays list of all recovered items such as emails, inbox, sent items, journals and others in a preview structure before saving at defined location. In newly improved version, minor bugs have been fixed and a very interactive and user friendly interface has been included. Now, it is more powerful and recover OST files quickly with full accuracy. You can download and install free trial version of this tool that provides you a fair idea about the tool. Kernel for OST to PST supports MS Exchange server 2013, MS Outlook 2013 and all versions of Outlook Express. For more details: www.osttopstfile.com