The emergence of generative AI has sparked significant hype in recent years, fueled by its ability to perform tasks autonomously and augment human capabilities. This technology has led to excitement in organizations all over the world, with promises of revolutionizing various industries. This study aims to explore the effects of generative AI in workplace environments and how different professional roles may be affected by this. Furthermore, this study seeks to shine light on possible barriers to achieve the positive effects that generative AI enables. More specifically, this study focuses on effects of the generative AI tool Copilot for M365 within a large global organization. By employing qualitative methods including interviews with employees who have been using Copilot in the workplace, this research aspires to uncover how humans interact with AI and what the effects of this might be. The results show that Copilots primarily induces efficiency through automation in the researched organization, while also suggesting signs of augmenting human cognition, where creativity and innovation emerge as effects. Furthermore, the findings indicate that there are no significant profession-specific effects. Lastly, the study has gained insight that there are barriers to achieve the full potential and value of generative AI.