Several times Outlook PST files gets corrupted or damaged due to variety of reasons such as unexpected power failure, software problem, irregular shut down of system and many more. Due to which emails of Outlook becomes lost or inaccessible. But in emergency users wants to open them into MBOX supported email clients like Apple Mail, Opera Mail, Mozilla Thunderbird, Entourage, Netscape, Spicebird, Eudora, etc. then users can make use of most reliable and effective ZOOK PST to MBOX converter software. It is capable to recover entire deleted or inaccessible data of Outlook PST files into MBOX file format. The software comes with a simple and user-friendly interface which supports both novice as well as professional users. It is fully supportable to all versions of Microsoft Outlook and 30+ MBOX based email clients.