#Show extensions

Show all file extensions in the Finder.

  • Tested on macOS:
    • Big Sur
    • Catalina
    • Mojave
  • Parameter type: bool

#Set tofalse(default value)

defaults write NSGlobalDomain AppleShowAllExtensions -bool false && killall Finder
  • Do not show all file extensions inside the Finder

#Set totrue

defaults write NSGlobalDomain AppleShowAllExtensions -bool true && killall Finder
  • Show all file extensions inside the Finder

#Read current value

defaults read NSGlobalDomain AppleShowAllExtensions

#Delete current value

defaults delete NSGlobalDomain AppleShowAllExtensions && killall Finder