Despite the potential benefits of knowledge sharing in these communities, the process of knowledge sharing is complex and unique within the metaverse. Therefore, a comprehensive understanding of the knowledge sharing dynamics in virtual communities within the metaverse domain is crucial. This chapter provides a comprehensive overview of the knowledge sharing landscape in metaverse virtual communities and outlines a roadmap for more efficient knowledge sharing and innovation in these communities. Based on a review of relevant practices and previous research, a knowledge sharing model is formulated to account for the unique impact of the metaverse on these communities. The process of knowledge sharing involves gathering community knowledge, internalizing situational knowledge, and sharing it through broadcasting and diffusion. The chapter offers valuable insights for researchers, practitioners, and policymakers in the field of virtual communities and knowledge sharing and provides a foundation for future research in this area.