The Nationaal Archief of The Netherlands has been involved in digital preservation since the beginning of the 1990s. It has a legal duty to provide access to and preservation of archival records through time, both paper and digital. It has longstanding experience managing and preserving paper records. It provides access to government records and other historical sources to a broad audience, also by using modern channels such as the world wide web. The Archive has been involved in development of a preservation testbed since 2000, the start of a joint venture with the Ministry of the Interior. This work has continued through into DELOS and a project on emulation in cooperation with the Koninklijke Bibliotheek.