LibreOffice 6.1 Help
Displays the different styles that you can apply to a hierarchical list. LibreOffice supports up to nine outline levels in a list hierarchy.
To access this command...
Choose Format - Bullets and Numbering - Outline tab
Open Styles - List Styles - context menu of an entry - choose New/Modify
Click the outline style that you want to use.
Position tab (Bullets and Numbering dialogue)
Options tab (Bullets and Numbering dialogue)