The main task of the State Archives in Hamar is to preserve and make archives accessible. The institution offers guidance and supervision of public archives, as well as coordination of private archives. In addition, they work with the digitization of archival material to ensure better accessibility and preservation of historical documents.
The archive has specialized collections, including the Sami Archive and the Oil Archive, which provide insight into important cultural and historical aspects. The State Archives in Hamar also offers services for genealogy research, making it a useful resource for both researchers and private individuals who want to explore their own history. The institution has a focus on development and innovation in archive management, which contributes to modernizing and improving archival services.