This box is a content control and cannot be deleted. If you need a directory without controls, please perform the following three steps to automatically generate the directory: 1. Insert page number first: double-click the footer to enter the footer. Then, the header and footer tool-design-header and footer, "page number", according to the page number to choose the location; 2. Then set all the title styles in the document that need to enter the directory: Select Title, Start-Style-Title X. ..

If you need to set other styles, press the function extension button in the lower right corner of this grouping to bring up the style window, and press the option in the lower right corner to bring up the list of all styles; 3. Finally generate directory: position the cursor at the directory insertion point, reference-directory-directory-insert directory (20 13, "user-defined directory"), and make the required settings in the dialog box to generate the directory.