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The variety of archival description standards makes difficult the materialization in applications that comply with all requirements. We find ourselves in this situation on the way of adapting the Odilo A3W solution to a set of standards. That has led us to study the different models to make them compatible with each other and with the technological evolution of A3W. The objective is to explain how the A3W conceptual model has been defined in terms of archival description: entities, relationships and attributes; that is, how the RiC, NEDA, EAD and e-EMGDE standards have been made compatible and how the application has been adapted to incorporate them. This communication constitutes the first phase of a major project. So, at this stage we focused on the analysis of the entity "archival document" and its attributes, in a context of coexistence of paper and electronic document management. This implies the detailed study of the e-EMGDE, NEDA, RiC and EAD specifications. As a result, the archival description attributes associated with the "file document" entity of odiloa3w have been mapped with those defined for the models indicated above.