Concept DFBs must be contained within a project to be imported into Control Expert/Unity Pro.
Create a Concept project containing the DFB.
Use the Concept Converter to export the project (with used DFBs).
Open the Concept .ASC file with Control Expert/Unity Pro.
The DFB can then be used or moved into the Control Expert/Unity Pro library.

Concept DFBs must be contained within a project to be imported into Control Expert/Unity Pro.
Create a Concept project containing the DFB.
Use the Concept Converter to export the project (with used DFBs).
Open the Concept .ASC file with Control Expert/Unity Pro.
The DFB can then be used or moved into the Control Expert/Unity Pro library.