1. Introduction. Problems in Office System Design (A.A. Verrijn-Stuart). Iterative Design and Adaptive Maintenance of Knowledge-Based Office Systems (S. Hagglund). 2. Design Support Environments. OIDA: OIS Design Aids (N. Dachouffe, R. Lesuisse). Office Procedure Knowledge Base for Organizational Office Work Support (H. Ishii, K. Kubota). A Comprehensive Approach to Modeling Office Organization and Support Technology (D.W. Conrath, V. De Antonellis, C. Simone). 3. Design Support Tools. A Knowledge Representation Approach to Architecture Specification in OIS Design (D. Castelli, C. Meghini, D. Musto). An Approach to Distributed Conceptual Design of Office Systems (M.G. Fugini, S. Pozzi). TP Nets: A Computer Based Tool for Office System Design (G.H. Masapati, G.M. White). 4. Intelligent Offices. A Proposal for Incorporating Rules in ODA-Documents (J. Yang). Exceptions and OIS (E. Auramaki, M. Leppanen). Service Interface Approach in Distributed Loosely Coupled Information Systems (H. Hammainen, J. Alasuvanto, H. Arppe). 5. Modelling Activities. An Ontological Foundation for Information Systems Design Theory (Y. Wand). A Language and Method for Constructing and Validating Conceptual Models of OIS (V. Karakostas, P. Loucopoulos). Deadlock Freeness and Consistency in a Conversational System (G. Woetzel, T. Kreifelts). 6. Interfaces for Designers and for Users. An Interface for the Specification of Office Activities (D.E. Mahling, W.B. Croft). Multimedia Office System Interface Design using a UIMS (P. Constantopoulos et al.). Specifying Office Tasks by Example (T. Mosser, P. Di Felice, F. Lochovsky). A System for the Automatic Reading of Printed Documents (C. Paoli, M.T. Pareschi). 7. Panel Presentations. Plan-Based Design Methodologies (A. Araya). Developments in User-Centered Design (J. Bennett).