noun
digital archive
A collection of digitized materials, such as documents, images, or audio, preserved and made accessible electronically.
この図書館は貴重な古文書のデジタルアーカイブを公開している。
This library provides access to a digital archive of valuable old documents.
Variant with a middle dot, sometimes used for clarity.
アーカイブ is a broader term for any archive, physical or digital, while デジタルアーカイブ specifically refers to a digital collection.
Loanword from English 'digital archive'.