Which file format is commonly used for BIM models?

The use of the Industry Foundation Classes (IFC) format is fundamental to Building Information Modeling (BIM) because it is designed specifically for the exchange and sharing of BIM data across different software applications. IFC is a neutral and open file format that facilitates interoperability, allowing various stakeholders, such as architects, engineers, contractors, and owners, to access and utilize the same building information regardless of the software tools they are using.

One of the key advantages of using IFC is that it enables a seamless workflow in multidisciplinary collaboration, ensuring that all participants in a project can work from the same data set without compatibility issues. This enhances project coordination and reduces the risk of errors that could arise from using disparate file formats.

In contrast, while other formats like DWG, DWF, and PDF serve important roles in design and documentation, they do not possess the same level of capability for handling detailed model information and relationships found in BIM. DWG is primarily used for 2D designs and drafting, DWF is mainly for sharing and printing drawings, and PDF is typically used for documentation and presentation purposes rather than as a working model format.