@_Michael The post processors just allow the exporting of gcode with tool change (M6) commands. Carbide create does that anyway. I’ve asked for access to their post processors, but I think they’re focused on other things right now. @TimRod Is talking about the macros for tool changes. Tim, it might help to know what macros you’re using and what your procedure is.
Here’s a link to a version of the ones @CrookedWoodTex mentioned.