The manufacturer is asking for CAD files compatible with AEGIS manufacturing software. In Altium Designer, it is simple, Export of files is performed using the File»Save As command, or the File»Save Copy As command and you get an ascii PCB file that they input as a Protel file. They support a number of different formats from the various layout programs.
How do i create these files from Circuit Studio?
Link to AEGIS manufacturing import guide:
