MacOS - Enable folder preview (X-Ray mode) in QuickLook

April 2018


To enable the QuickLook X-Ray mode under MacOS, follow the below procedure:
  • Open a terminal and type the following command:
  • defaults write com.apple.finder QLEnableXRayFolders 0

To disable this feature:
  • Open a terminal and type the following command:
  • defaults write com.apple.finder QLEnableXRayFolders 1
Published by jak58. Latest update on July 16, 2013 at 10:45 AM by jak58.
This document, titled "MacOS - Enable folder preview (X-Ray mode) in QuickLook," is available under the Creative Commons license. Any copy, reuse, or modification of the content should be sufficiently credited to CCM (https://ccm.net/).
MacOSX - Define a default wireless network
MacOSX Lion - Disabling the Character Accent Menu