IFC (Industry Foundation Classes) is a widely used file format in the field of architecture, engineering, and construction. It is an open, neutral, and non-proprietary file format that facilitates the exchange of information between different software applications used in Building Information Modeling (BIM). IFC model files are essentially digital representations of physical and functional characteristics of a building or infrastructure, allowing stakeholders to collaborate and share data seamlessly throughout the project lifecycle. The IFC data model is based on object-oriented concepts and supports the integration of various building elements such as walls, doors, windows, roofs, and more. It also encompasses properties, relationships, and classifications of these elements, enabling comprehensive representation of a building's attributes. The use of IFC model files promotes interoperability and reduces data loss and errors that may occur when using proprietary file formats. This enhances communication and coordination among project teams, leading to improved efficiency and accuracy in design, construction, and facility management processes. In conclusion, understanding IFC model files is crucial for professionals in the architecture and construction industry as it facilitates seamless data exchange and collaboration, ultimately leading to more efficient and sustainable built environments.