11. The at least one computer storage device of claim 7 , the actions further comprising further comprising receiving a query and, in response, searching the index and finding a set of files that satisfy the query, the set of the files include one or more files from current storage and/or backup storage.
12. The at least one computer storage device of claim 11 , the actions further comprising, for a backup file included in the backup storage, searching versions of the backup file to find at least one version that satisfies the query and providing an indication of the at least one version that satisfies the query.