Vestfold Archives is an institution that aims to preserve and make available historical sources related to Vestfold. The archive offers a reading room for research and study, where visitors can access a wide range of documents and material. Among the collections are a business archive that documents local companies, as well as an archive dedicated to the Norwegian mining industry. In addition, the archive contains private archives from Buskerud.
The institution collaborates with Vestfold County Municipality to promote preservation and research into the region's history. Emphasis is also placed on the history of the labor movement in Vestfold, which provides an important perspective on local social development. Vestfold Archives offers guidance for both visitors and researchers, which contributes to a better understanding of the historical sources that are available.