CMYK is a mode. Process and Spot can be made with other modes as well.
I assume you mean changing a process color to spot. Just double click the appropriate swatch and select Spot intsead of Process, The reverse is also done that way.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.