Click on the underlined links.
To quickly assign a selected part of signature to the desirable field of a Contact form, simply press CTRL and drag-and-drop it to that field.
If you want to undo your entire manual assigning of signature information to the Contact form fields, use Clear and then Re-Arrange functions.
You can display fields in “To Field” submenu according to the frequency of their use, add fields you mostly use or remove never used fields from the list. Learn about changing the display order of the fields in “To Field” submenu and about removing the fields from “To Field” submenu.