This book constitutes the refereed proceeding of the 23rd International Conference on Collaboration and Technology, CRIWG 2017, held in Saskatoon, Canada, in August 2017.The 14 full papers presented together with 5 work-in-progress papers were carefully reviewed and selected from 33 submissions. The papers focus on collaboration technology design, development, and evaluation. The background research is influenced by a number disciplines, such as computer science, management science, information systems, engineering, psychology, cognitive sciences, and social sciences
