archival

adj. Of or pertaining to archives. Having enduring value; permanent. Durable; lacking inherent vice; long-lived; see archival quality. Not causing degradation. Following accepted standards that ensure maximum longevity. ComputingInformation of long-term value that, because of its low use, is stored on offline media and must be reloaded, or that is in a form that must be reconstructed before use.

Notes

The use of archival2 to denote records whose content has been appraised as having enduring value is fairly standard. Some archivists prefer the phrase 'enduring value' to 'permanent' when describing archival records, but permanence remains part of the vernacular understanding of the term.