Which Department Would Benefit the Most from Dynamics 365 CE and Why?

Although multiple departments benefit from Dynamics 365 CE, I believe the Sales department gains the most value. It helps sales teams manage leads, opportunities, customer interactions, quotations, and follow-ups from a single platform. AI-driven insights, automated workflows, and integration with Outlook, Teams, and Power BI enable sales representatives to close deals faster and improve customer relationships. That said, customer service, marketing, and field service departments also benefit significantly through automation and centralized customer data.