Hey, are you looking for a solution to view all the exchange OST mailbox items with the attachments? Then you should use the Data Recovery Freeware Outlook OST viewer. This professional tool helps to view all the exchange OST mailbox items like Contacts, Calendars, emails, tasks, journals, etc. This OST viewer helps to view corrupted OST files as well. Moreover, this tool comes with a very easy user interface that helps non-technical users to view OST files without prior technical knowledge.