IFC, which stands for Industry Foundation Classes, is a widely used file format in the field of building information modeling (BIM). It is an open and neutral data format that facilitates the exchange of information between different software applications used in the architecture, engineering, and construction industries. IFC model files contain detailed information about building elements, such as walls, floors, doors, and windows, as well as data related to their properties, relationships, and spatial location. This rich and standardized data enables seamless collaboration and interoperability among various stakeholders involved in the design, construction, and management of buildings. IFC model files play a crucial role in the digital representation of buildings and infrastructure projects, allowing for the visualization, analysis, and simulation of complex architectural and construction data. Moreover, they support the integration of diverse building components and systems, including structural, mechanical, electrical, and plumbing elements, to create a comprehensive and coordinated model of a building or facility. Understanding the structure and contents of IFC model files is essential for professionals working in the BIM industry, as it enables them to leverage the full potential of digital technologies in the AEC sector. The adoption of IFC as a standardized file format promotes data consistency, integrity, and accuracy throughout the lifecycle of a construction project, from the early design stages to facility operation and maintenance. As the use of BIM continues to evolve and expand, IFC model files will remain a key enabler of data-driven collaboration and information exchange in the built environment. By embracing the principles and practices of openBIM, practitioners can harness the power of IFC to unlock new opportunities for innovation, efficiency, and sustainability in the design and construction of buildings and infrastructure. As technology advances and industry standards evolve, the role of IFC model files will continue to grow, supporting the seamless integration of digital tools and processes across the AEC sector. Whether you are an architect, engineer, contractor, facility manager, or building owner, having a solid understanding of IFC model files and their significance in BIM is essential for driving progress and excellence in the built environment.