Résumé : Why do employees help more or less their colleagues? Why do they feel misunderstood and not supported by their superiors or peers? Why is employees’ professional development not necessarily improved after multisource feedback? Could all of these organizational outcomes be influenced by people’s metaperception, a phenomenon largely ignored in the field of organizational behavior? The literature about Organizational Citizenship Behavior (OCB), Workplace Relationship (WR), Perceived Organizational Support (POS) and Multisource Feedback (MSF) seems to carry a black box. It may concern the motivational aspects of OCB, the conceptualization of POS or even the mechanisms behind MSF’s shortfalls. This paper highlights several gaps in the field of Organizational Behavior and then, addresses this gap through the lens of metaperception. This paper aims to provide convincing evidence that metaperception is the missing link to improve our understanding of OCB, WR, POS and MSF. We conclude on clear directions for future research investigating how metaperception could intervene in these three outcomes.