In this documentation, we can check how to add contact form to the menu in Drupal.
1) Login to Drupal admin panel.
2) Go to the tab ‘Structure’.
3) Click the option ‘Menus’.
4) Click ‘Edit Menu’ option.
5) Click the tab ‘List Links’ and make sure that you are on it.
6) Click the button ‘add Link’.
7) Enter the details.
8) Click ‘Save’ button.
That is how we can add contact form to the menu in Drupal.
If you need any further help please reach our support department.