For all administration tasks you will need to go to the administration section. Only system administrators can do this.
There is also an online video for this. See Online Training Videos
Under your login status if you are an administrator user you will see the link to Go to Admin.
Each module and section have there own tile with items that relate to that section. So emails for Audit Planner will be in the Audit Planner tile.
To expand a section mouse click on the section headers
Under Recent Actions click the Exit Link