A method for enabling querying independently of a computerized system about objects thereof, comprising providing a computer linked to the computerized system with replications of entries of an index of the computerized system that comprise data derived from contents of the objects, where said entries correspond to a subset of objects that are identified as related objects, thereby enabling the computer, based on the provided replications, to query locally and independently of the computerized system about the related objects according to contents thereof, and an apparatus for performing the same.