Software is especially devised to convert ost file to pst file so that you do not lose on important data. Convert items of .ost file into .pst file with complete conversion of emails, sent items, drafts, journals, images, attachments etc and also recover the deleted emails of "Deleted Items" folder. OST to PST Conversion converts .ost file of MS Exchange Server to .pst file which is then easy to access with MS Outlook. Software provides two more options to save the .ost file: .EML and .MSG accessible with MS Outlook and Outlook Express. Evaluation version of ost to pst conversion - ost to pst software is available for free download which converts and recovers emails of ost file and displays preview of the email data. To save the emails, you need to purchase full version of ost to pst conversion software. It supports .ost files of MS Exchange Server 5.0, 5.5, 2000, 2003, 2007 and 2010.