If you have AutoCAD, you can use the DWFATTACH command to attach DWF files as underlays, then export the combination. This is overkill for simple merging.
If you want to maintain the original CAD integrity, use Autodesk’s native (and free) software: merge dwf files online link
: Another popular cloud-based tool that allows you to drag and drop your DWF files and merge them straight from your web browser. Simple Steps to Follow If you have AutoCAD, you can use the
Managing large design projects often means dealing with dozens of separate DWF (Design Web Format) files. Whether you are an architect, engineer, or project manager, merging these into a single package is essential for streamlined collaboration and easier distribution. Simple Steps to Follow Managing large design projects
The solution is simple:
Autodesk Design Review (Free Download)
While that works, you lose the intelligence of the DWF file (layers, object data, and measurement capabilities). If you want to keep the file integrity or simply avoid the extra conversion steps, you need the right tool.