42 Computer programming services for electronic data storage, electronic data archiving, electronic data back-up, electronic data recovery, electronic data restoration, electronic remote data vaulting, migration and purge of electronic back-up data, cataloguing of electronic data, creation of data audit trails; Technological consultation in the technology field of electronic data storage, electronic data archiving, electronic data back-up, cataloguing of electronic data, creation of data audit trails, electronic remote data vaulting and migration and purge of electronic back-up data