The Projects toolbar provides a simple way of keeping all your files organized for a particular project.

Recent Projects listAllows you to quickly select from project folders you have used recently.
Set Active ProjectSets a folder to be the root of the current project, using the Set Active Project dialog.
Create EmptyCreates a new project with no structure or hierarchy by selecting a single root directory using the Choose a Folder dialog.
Create DefaultCreates a new project with the default folder structure using the Choose a Folder dialog.
Create from CurrentCreates a new project based on the folder structure of the current project using the Choose a Folder dialog.