Use this toClose one or more project windows, optionally along with project files.
Menu pathFile > Projects > Close Project
Command nameMProjectClose
Accelerator keyC (from the main menu: Alt+F > J > C)
Keyboard shortcutShift+Ctrl+F4
Options on parent menu (Projects+)Show Project (Workspace), New Project, Open Project, Import HTML-Kit 292 Workspace, Project List Window, Close Project, Edit and Manage Projects