No documentation anywhere?
It is in the help menu, or open this link in your browser:
file:///Applications/DEVONsphere%20Express.app/Contents/Resources/DEVONsphereExpressHelp/DEVONsphereExpressHelp.htm
As Greg noted:
Click the gear.
Sorry; I was looking online for it since DEVONSphere Express can’t be downloaded and demo’d.