You will be able to choose a specific OST or PST file or you can scan your computer and OST2 will find all OST and PST files. The Free OST2 version allows you to transfer up to 5 items from each folder. Using Enterprise Edition convert and transfer all OST files which are linked or unlinked to Microsoft Outlook. Use OST2 to transfer data from Exchange to Microsoft Outlook, make your Exchange account e-mails, calendar, contacts, and other items accessible through Outlook. To prevent Offline Storage .ost file's data loss, back up data as a PST file. In case of the Exchange Server crash, downtime or accidental user account deletion, you will be able to recover Exchange mailbox folders by opening the converted PST file in Outlook. Convert files in a couple of clicks - select an OST file and choose the location where you want to save the PST file.