OST to PST Converter software is email conversion software to convert .ost (offline storage) file to .pst (personal storage) file. You can easily convert ost files of exchange server 5.0, 5.5, 2000, 2003 and 2007 and supports every version of MS Outlook and Outlook Express for conversion; even Outlook 2003 and 2007. It skillfully converts emails, attachments, images, drafts, sent items, contacts, notes, calendar, reminders, tasks, folders and sub-folders, journals of .ost file to .pst file. You can easily view preview of email data before saving them. A 3 step solution for ost 2 pst conversion which also preserves formatting of the converted emails.