http://www.outer.net/solutions/business-continuity/managed-commvault-backup - Deduplication software is almost essential in the IT operations of any business now. Data deduplication means that only the most up to date version of any data is available, thereby reducing the need for unnecessary storage space. In any enterprise backup is of vital importance of course. With a program like CommVault Backup, there is always one additional copy in case of data corruption.