Kernel for OST file reader is a complete standalone utility meant for the purpose of viewing OST file content. The tool allows users to view contents of OST files even if Exchange Server is absent. As the orphaned OST files are completely inaccessible for users they might come across varied issues, with Kernel for OST file reader entire content is made accessible and errors are resolved. After the downloading process is completed the tool makes selection for the orphaned OST file and initiates the scanning process. Once the process is through users can choose the folder and view its content instantly. The tool is compatible with viewing of OST files created in varied MS Outlook versions; some of them include MS Outlook 97, Outlook 2000, Outlook XP, Outlook 2003, Outlook 2007 and Outlook 2010. Also for MS Outlook Express version 4.0 and MS Exchange Server 5.0, 5.5, 2000, 2003, 2007, and 2010. Kernel for OST file tool is available free of cost and embeds plethora of user-friendly functionalities. It will never hamper the formatting and structure of original OST content and make it available for users instantly.