Welcome to the SeeMeCNC Community

just finished a new desktop build and need to know what file or folder to move from my old computer to the new one so I have all of my settings back. anyone know witch one?

Linux, MacOS, Windows?
I don't think on any of them there is one folder that keeps all of your settings...
If it is about your slicer settings, it would be handy to mention what slicer you use.

For Mattercontrol (Which I'm assuming since you're in that section of the forums), I would either export it, or try pulling the staticdata folder out of Mattercontrol's install directory.