#Changing file extension warning
Choose whether to display a warning when changing a file extension.
- Tested on macOS:
- Big Sur
- Catalina
- Mojave
- Parameter type: bool
#Set totrue(default value)
defaults write com.apple.finder FXEnableExtensionChangeWarning -bool true && killall Finder
- Display a warning when changing a file extension in the Finder
#Set tofalse
defaults write com.apple.finder FXEnableExtensionChangeWarning -bool false && killall Finder
- Do not display the warning
#Read current value
defaults read com.apple.finder FXEnableExtensionChangeWarning
#Delete current value
defaults delete com.apple.finder FXEnableExtensionChangeWarning && killall Finder