To display this dialog box open the Bookmarks panel:
To create a Table of Contents, you must have at least one bookmark.
Click Options and select Create Table of Contents or Export Table of Contents
Both call the Table of Contents Settings dialog box with two tabs: Contents and Content Page.
Contents tab
Display Levels: Choose a number from the selection box to specify how many subtitle levels you want to display. The bigger the number the more detailed bookmark hierarchy will be displayed. The bookmark hierarchy defines the Table of Contents (TOC) hierarchy.
Symbol Line: Select None, or one of the predefined symbol lines. The symbol line appears between the TOC text and the page number. The option is grayed if the Page number and / or the Page number right-align checkboxes are disabled.
Page number: Select this to display page numbers in the TOC.
Page number right-align: Select this to right-align the page number after a symbol line.
Format: Select one of the predefined TOC formats or a custom format from the drop-down list. To customize your TOC, select Custom and click Edit.
Edit: Click this button to display the Style dialog box. After choosing font type, size and color, click the Save as button and name your style in the Save As Format dialog box. Click OK to close the dialog boxes. The created new style appears in the Format drop-down list.
Remove: Click this to delete the selected format. Only custom formats can be deleted.
Content Page tab
Content Title: By default, this is Table of Contents. You can change it, if you want.
Appearance: Click this button to display the Content Title dialog box and select font type, size and color for the title.
Size: Select one from the predefined paper sizes for the TOC, or select Custom. For Custom size you can define width and height in the selected measurement unit (points, inches or millimeters). Fractions are allowed. The Unit, Width and Height boxes appear only if Custom size is selected.
Orientation: Select Portrait or Landscape.
Add to: Enter a number in the box. This defines the place of the TOC within the PDF file depending on the Position setting (before or after).
Position: Select Before or After.
Examples:
If 1 is displayed in the Add to box and Before in the Position box, the TOC will be inserted at the very beginning of the document.
If you want to display the TOC on the last page of an 8-page document, then 8 should be written in the Add to box and After should be chosen in the Position box.
Clicking OK
When you chose to Create a TOC, clicking OK causes the Table of Contents to be added to the open PDF at the requested location.
When you chose to Export a TOC, clicking OK causes the Table of Contents (modified or not) to be saved to a new PDF file which you can name and save.