MS Outlook is a useful component of Microsoft Office, used as organizer, address book and mail client. You can comfortably keep your correspondence and received files, addresses, contact list, meetings and events reminding in Outlook data base. But in case of program bug or information deleting you can lose a lot of useful and unique information in a moment. It can happen because of unscheduled computer restart, virus attack or by accident. Outlook PST and OST files are stored in difficult of access and there is no built-in program in Windows to solve this problem. So if your Outlook data lost, it can be restored by Outlook recovery tool.