Highlight a section help us easy to find the section quickly.
Follow this document to learn how to highlight a OneNote section.
Change Color of all Sections same as Notebook Color
In "Gem for OneNote", follow "Edit" tab -> "Change" group -> "Color" menu -> Click "Section Color by Notebook".
Gem will change all sections color same as notebook (Silver).
Now, all the section color are silver.
Next, change the important section color to a difference color from silver.
In the Gem's "Color" menu -> click "Section Color".
Gem will pop up a Color Picker Dialog to help you to choose color.
In Color Picker Dialog, you can choose a color for current section.
After set a section color difference with other sections. You can easy to find out this section.