While I have not put these systems into use myself, I know that Microsoft's Share Point product is supposed to do just what you are asking for, IIRC.

Cloud storage provider Carbonite this week announced enhancements to its small office, home office online backup service, which now offers bare metal backups and file versioning, making a new copy of ...

Cloud storage provider Carbonite this week announced enhancements to its small office, home office online backup service, which now offers bare metal backups and file versioning, making a new copy of ...

Mac OS X 10.7 Lion makes a conceptual leap away from the Mac's original focus on opening apps to create files, launching a new task-centric interface borrowed from iOS. Lion apps can also auto save ...