If you mean Cubase presets and preferences they are here:
%appdata%/Steinberg/Cubase X_64
and have a further look here:
C:\Program Files\Steinberg\Cubase X\Presets
C:\Users"yourname"\Documents\Steinberg\Cubase\User Presets
If you mean Cubase presets and preferences they are here:
%appdata%/Steinberg/Cubase X_64
and have a further look here:
C:\Program Files\Steinberg\Cubase X\Presets
C:\Users"yourname"\Documents\Steinberg\Cubase\User Presets