Configures project and drafting preferences, such as component symbology, tagging rules, annotation properties, layers, and colors.
Ribbon: Click Home tab
Project panel
Project Manager
Project Setup
Right-click a project icon
Click Properties.
Command entry:
projectsetup 
The Project Setup dialog box displays a tree structure on the left side that is populated by items called tree nodes. When you select a tree node, node-specific content is displayed on the right side, where you make changes or additions to the project setup.