The Design Web Format (DWF) is an Autodesk file format for efficiently distributing rich design data to anyone who needs to view, review, or print digital prototypes and drawings. It allows designers, engineers, and project managers to share design information with stakeholders who may not have access to the original design software, such as AutoCAD. DWF files are highly compressed, making them smaller and faster to transmit than the original CAD files. They can contain 2D and 3D graphics, as well as associated metadata, such as object properties and layers. DWF files are primarily used for viewing, marking up, and printing design data, but they are not intended for editing. The format supports features like zooming, panning, and object selection, allowing users to explore the design in detail. DWFx is a newer version of DWF that is based on the XML Paper Specification (XPS) format, making it more compatible with other applications and operating systems.