Are you not using any of the software formats listed here?
Please contact us for help.
Would you still like to save yourself the cost involved in editing standard gerber and drill data (RS 274 –D).
It's easy: simply load your gerber and drill data into the gerber viewer software GC-Prevue.
GC-Prevue is available free of charge and can be downloaded from here
We will be happy to answer any questions you may have regarding GC-Prevue!