The Industry Foundation Classes (IFC) file format is a data model that is used in the field of Building Information Modeling (BIM) to facilitate interoperability between different software applications. It is an open file format that is maintained by the buildingSMART International organization and is widely used in the architecture, engineering, and construction (AEC) industry. Understanding the IFC file format is essential for professionals working in BIM to ensure seamless collaboration and data exchange. The IFC file format is based on a standardized schema that defines the properties and relationships of building elements. This allows for the exchange of rich data between different BIM software applications, enabling seamless collaboration throughout the lifecycle of a construction project. By using the IFC file format, project stakeholders can share information such as building geometries, spatial relationships, and semantic properties, allowing for better coordination and decision-making. Additionally, the IFC file format supports the representation of construction schedules, cost information, and other non-geometric data, making it a comprehensive solution for BIM interoperability. As BIM continues to transform the AEC industry, the IFC file format plays a crucial role in enabling the digitalization of the built environment. It allows for the integration of diverse software tools and the exchange of information across different disciplines, ultimately leading to more efficient and sustainable construction practices. In conclusion, the IFC file format is a key enabler of BIM interoperability and plays a vital role in the digital transformation of the AEC industry. Understanding its capabilities and implications is essential for professionals looking to harness the full potential of BIM for their projects.