archival

/AA0 R K AY1 V AH0 L/
noun
  1. 1

    The act of archiving something.

    โ€œOur nightly backups include the archival of old e-mail messages.โ€

adjective
  1. 1

    Of or pertaining to an archive or archiving.

Source: https://en.wiktionary.org/wiki/archival