Microsoft Dynamics 365 Project Service Automation (PSA) is an end-to-end project and resource management solution for firms delivering customer-facing, project-based services. Dynamics 365 PSA empowers sales and delivery teams to successfully engage customers and deliver billable projects on time and within budget, by helping you plan, estimate, and quote projects, schedule resources to optimize utilization, track and approve project tasks, time and expenses, enable internal and external team collaboration, and monitor key project and resource related performance metrics.