11. A computer-readable medium, excluding a transitory propagating signal, that stores instructions that when executed by a computer system cause the computer system to perform operation for indexing and searching multiple content items, the operations comprising: selecting or accessing at least one secondary copy of the multiple content items, wherein the secondary copy of the multiple content items is a copy of the multiple content items and is not a primary copy of the multiple content items, wherein the primary copy is available by the computer system over a local area network, and wherein the at least one secondary copy is stored at a cloud storage site located geographically remote from the computer system; for at least some of the multiple content items included in the secondary copy; analyzing content of a content item, including analyzing a summary of the content item; based upon the analysis, generate metadata corresponding to the content item, wherein the metadata includes at least a logical address to the cloud storage site for accessing the content item; and storing, in a content index the generated metadata of the content, wherein the content index is not stored at the cloud storage site, but is locally accessible by the computer system; and identifying one or more indexed content items based on a search query and the metadata stored within the content index.
11. A computer-readable medium, excluding a transitory propagating signal, that stores instructions that when executed by a computer system cause the computer system to perform operation for indexing and searching multiple content items, the operations comprising: selecting or accessing at least one secondary copy of the multiple content items, wherein the secondary copy of the multiple content items is a copy of the multiple content items and is not a primary copy of the multiple content items, wherein the primary copy is available by the computer system over a local area network, and wherein the at least one secondary copy is stored at a cloud storage site located geographically remote from the computer system; for at least some of the multiple content items included in the secondary copy; analyzing content of a content item, including analyzing a summary of the content item; based upon the analysis, generate metadata corresponding to the content item, wherein the metadata includes at least a logical address to the cloud storage site for accessing the content item; and storing, in a content index the generated metadata of the content, wherein the content index is not stored at the cloud storage site, but is locally accessible by the computer system; and identifying one or more indexed content items based on a search query and the metadata stored within the content index. 15. The computer-readable medium of claim 11 , further comprising: identifying and selecting from an index of secondary copies an unencrypted secondary copy versus an encrypted secondary copy.