Environment

Locations

/Library/Application Support/Adobe/CEP/extensions
/Applications/Adobe After Effects 2020/Plug-ins
/Applications/Adobe After Effects 2020/Scripts
/Applications/Adobe After Effects 2020/Scripts/ScriptUI Panels

Adobe Environment setup

Preferences location

/Users/userName/Library/Preferences/Adobe/After Effects/16.1/ModifiedWorkspaces
/Users/userName/Library/Preferences/Adobe/Premiere Pro/13.0
~/Library/Preferences/Adobe/Audition/10.0/