Kernel for OST to PST conversion tool is an advance OST email recovery software that converts unusable or inaccessible OST (Offline Storage) file to PST file. Perhaps, this is one such utility that restores all components from Microsoft Exchange Offline Storage files including emails, email attachments, contacts, journals, calendar, tasks, notes, appointments, etc. created using Microsoft Exchange 5.0, 5.5, 2000, 2003 and 2007. Best aspect about this tool is it has got a very interactive GUI that makes it more user-friendly.