The Office of State Archives works through a series of action lines, which include:
- Conservation and promotion of the Spanish Documentary Heritage: Salto de línea Investments in buildings, security, facilities, restoration and aid to public and non-profit private institutions.
- National and international promotion of the documentary heritage and the Archives: Salto de línea Implementation of projects such as PARES (Spanish Archives Portal), the Census-Guide to Spanish and Latin American Archives or the Sources Guide, which enable free, universal access to the information held in the Archives.
- Training and technical assistance: Salto de línea Organisation of professional events and drafting of training and recycling plans, especially designed for the implementation of the new archival technologies, to improve the services provided and to overcome the traditional barriers to Archive access.
- National and international archival co-operation: Salto de línea Co-ordination and participation in different professional forums.