archival
adjectiveUK /ɑːˈkaɪ.vəl/
US /ɑːrˈkaɪ.vəl/
Something archival is kept safe for a very long time so people can look at it later.
The museum keeps archival photos of the old town in a cool, dry room.
OTHER MEANINGS
2. Relating to archives or the place where old records are kept.
She spent the afternoon in the archival section of the library.
3. Describing paper or materials made to last a very long time without falling apart.
The artist printed her photographs on archival paper so they would not fade.
4. Describing a style of film or video that looks old, grainy, or like old footage.
The documentary used archival footage from the 1950s.