Are you searching for some dependable OST to PST Converter program for OST to PST recovery and to convert OST to PST? You have come to the right place, as OST Recovery software will help you. In Outlook, Exchange Cached Mode option allows users to create OST file on local computer. The advantage of OST file is users can acquire Exchange mailbox data in offline mode also, that is in case when Exchange Server is downtime. When connection with Exchange Server is restored, Import OST files update changes on Server and the process is called Synchronization. But sometimes the sync process fails and the reason behind it is OST file corruption. In such situation, Import OST files to PST tool rescue data from disaster. Also download free trial version of the software to get to know how to convert OST to PST file in Outlook. But free version is limited to extract 25 emails in per folder but buy the full version of the software only at $49.