 The remaining products were EmailXtender and DatabaseXtender which archive email and databases correspondingly.DiskXtender, by intercepting I/O from operating system, is capable of detecting inactive data and then migrating those data to secondary and/or tertiary storage with lower cost/GBs while still maintaining transparency to both applications and end users.Applications and end users have full visibility of migrated data and when access is requested, those migrated data will either be redirected to users and applications or copied back to the production system.