To Transfer Custom Settings Using the CUI Editor

Click Manage tab Customization panel Import. Find
In the Customize User Interface (CUI) Editor, Transfer tab, in the left pane, click the Open Customization File button.
In the Open dialog box, browse to and select the customization file (MNU, MNS, CUI, or CUIx) from which you want to transfer user interface elements from. Click Open.
In the right pane, click the Open Customization File button.
In the Open dialog box, browse to and select the customization file (MNU, MNS, CUI, or CUIx) to which you want to transfer user interface elements to. Click Open.
In the left pane, click the plus sign (+) next to an interface element node to expand it. Expand the corresponding node in the right pane.
Drag user interface elements from the right pane to the appropriate location in the left pane, and drop the user interface elements to create a copy of the elements.

Note: User interface elements can be dragged in either direction; left to right or right to left.
Click Apply.