As just described, you can hide some of the heading levels in the outline view with the dropdown list in order to see only the headings of certain levels.
What if you want to see the lower levels of a single heading? In this case, you have the following options:
▪Buttons 
and 
on the ribbon tab "Outline"
| Move the text cursor to the desired heading. Then click on one of the following icons on the ribbon tab Outline or use one of the following shortcut keys: |
Icon |
Function |
|
This shows another sublevel. |
|
This displays one less sublevel. |
▪Symbols 
and 
directly in front of the text paragraphs
| Furthermore, a plus or minus symbol is displayed in the outline view before each heading. |
| A indicates that this heading still contains subheadings or normal text paragraphs, but they are currently hidden. |
| In the case of a , on the other hand, any text that is subordinate to this heading is already displayed. |
| If you double-click on , all levels below the paragraph become visible. By double-clicking on the , you hide all levels again. |
| Tip: By doing this, the heading and its subordinate text are selected at the same time. For more information, see the next section. |