I was just reading a thread where Grinler answered:
This copy doesn't show a double green underlined hyperlink for "program". The hyperlink has nothing to do with the subject. What is it for? Also, sometimes it's on sometimes it isn't there. I've seen in in many posts.
No unfrotunately this is a global configuration option for excel. Once you change a program option, that option is set for all subsequent files that you open