Free OST Reader application allows viewing the OST files without using MS Exchnage Server and MS Outlook. It helps to view all OST items such as e-mails, contacts, calendars, tasks, and journals. The software is integrated with advanced search options to read the selected emails and view all the mail properties by clicking on the message. The utility is designed to read the OST files of Windows operating systems 10, 8.1,8, 7, XP, etc. without any issues. Along with that the application also supports the Corrupted and Password protected OST file. The application is capable to open Calendars and read its appointments start date, end date, subject, etc. and also fetch information of contacts and preview with all properties like name, mobile number, address, etc. It is designed with a simple graphical user interface that helps to open the large OST files without any limitations and restrictions.