1. A non-transitory computer-readable medium containing instructions for controlling a data processing system to access copies of data, comprising: receiving a request that identifies at least one data object stored two or more different secondary storage locations within a data management system; accessing a metabase that stores metadata describing each of the two or more different secondary storage locations; providing one or more results responsive to the submitted request, wherein each result contains a link through which a data object associated with the result can be accessed; receiving a request to access a data object associated with one or more of the provided results; and providing a version of the data object formatted for display, wherein providing a version of the data object formatted for display comprises converting the data object that is associated with one operating system into a format accessible by another operating system.