Software Imperial offers a Most trusted and useful Microsoft OST to PST Converter Software. You can easily convert OST file to PST format and store/save PST on your System's Local Drive thereafter you can Import PST file on any Microsoft Outlook edition. Enterprise/Site License version of Order made for Enterprise Environment and for different Sites activation within an Organziation, and Data Recovery companies can also purchase for Site activations. Allows up-to 50 System Activation within an organization for Different Sites.