To create and manage section groups in OneNote:

1. Create a section group:
   
   • In OneNote, click Home > New > Section Group.
   • Type a name for the section group.
   • Click Create.
2. Manage a group:
   
   • To rename a group, click the group name, type a new name, and press Enter.
   • To delete a group, right-click the group name and click Delete Group.
   • To add a section to a group, right-click the group name and click Add Section.