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Show Hidden Files in Mac Finder by Default

Published: 2019-10-11 • Last updated: 2021-05-03

Show Finder the light.

A one-time thing

  1. Press Command - Shift - . to toggle hidden files when in Finder

Make it permanent

  1. Set the default

     defaults write com.apple.finder AppleShowAllFiles YES
    
  2. Confirm that the default is set

     defaults read com.apple.finder AppleShowAllFiles
    
  3. Hold Option key, right-click Finder, then click Relaunch to pick up the new default

Revert it

  1. In the write command above, replace YES with NO

     defaults write com.apple.finder AppleShowAllFiles NO