how do I turn off highlighter ?

[Sonjia]

I'm new to One Note and i don't know how to turn off highlighter when I'm
done using it, please help.

 

[Rainald Taesler]

Sonjia wrote:
> I'm new to One Note and i don't know how to turn off highlighter when
> I'm done using it, please help.

I assume you are talking about the highlighter pen (not highlighting
marked text).
If so:
(a) Click on the pen icon again,
or
(b) click on the icon for typing ("A" with the susor).

Rainald