Reftype Table default location

My Reftype Table suddenly disappeared. I was able to locate a year-old copy but not the most recent. Is this normally store in Endnote/XML Support?

Is there any reason why this would have gotten disconnected from the program? And is there anyway to locate the last saved version (apart from Spotlight on Mac?, which is not turning up anything for me beyond the year-old copy—at least that is there, since I’ve tailored a lot of changes to my styles and need these for them to work at all) thanks