You can protect, hide, and convert sections to normal text in your document.
Choose Format - Sections.
In the Section list, click the section you want to modify. You can press Ctrl+A to select all sections in the list, and you can Shift+click or Ctrl+click to select some sections.
Do one of the following:
A warning message is displayed if you try to edit protected sections.
To remove protection of a section, do the following:
Choose Format - Sections.
Select the section to unprotect in the Section area of the dialogue box.
Uncheck the Protect option in the Write Protection area of the dialogue box.
If the section was protected with a non-empty password, type the password into the dialogue box that opens.
Click OK .