IBM Tivoli Continuous Data Protection for Files When important files are changed, IBM Continuous Data Protection (CDP) will make an immediate local copy of the file (so you're protected even if not on a network) and will schedule another copy to go to ... Cost: $35 Buy full version       Trial version           Descriptions IBM Tivoli Continuous Data Protection for Files: When important files are changed, IBM Continuous Data Protection (CDP) will make an immediate local copy of the file (so you're protected even if not on a network) and will schedule another copy to go to some off-machine target. Which can be a USB disk, a file server / NAS, an internet provider, etc.