Create Functional Code Areas From Folders
Navigate to the Areas tab of the project:
Select the Projects screen on the left menu
Choose the project from the drop down in the top left Click the configuration gear button
Select the Areas tab
Click the Functional Areas button on the left hand menu.
To Create Areas from Folders
Pressing the Create From Folders button which creates areas based on the folder structure of your application. So if your application has a Login folder this will be created as a functional area called Login with all the files inside the Login folder associated with this area.
Warning, this may create a large number of areas.