This document provides an overview and report of an internship working with the Microsoft Dynamics NAV enterprise resource planning (ERP) system. The internship focused on tasks related to system administration, user support, object development, and error handling. The report defines ERP systems and Microsoft Dynamics NAV specifically. It describes the architecture of Microsoft Dynamics NAV, including its three-tier structure with client, server, and database layers. The report outlines the intern's experience developing objects, completing system-based tasks, and providing user support while gaining hands-on experience with the theory and skills learned in their studies.