To make the Outlook OST files accessible free Exchange OST explorer utility is the solution. It will allow user to open OST and help administrator in accessing the orphaned OST data. Also the OST data will be made available without establishing contact with the Exchange Server, the eminent utility will scan OST files instantly and display its contents. Also, tool is provided with user-friendly and interactive user interface so that user never faces hassle in its operation. As the recovery process is through, entire OST content will get enlisted in a tree like format so that user can identify with the original OST file. Also the user can navigate for content from OST file for all versions of MS Outlook and Exchange Server. Kernel for Exchange OST Explorer is compatible with MS Outlook versions 97, 2000 and Exchange Server versions 5.0, 5.5, 2000, 2003, 2007, and 2010. The tool is a top-notch solution to retain entire inaccessible Outlook data; it will display it in a fraction of seconds and make it available for users. Free Exchange OST explorer tool is a safe and reliable solution to access the OST data; it will never hamper original data integrity and formatting.