This command can be performd in Mac OS X Snow Leopard (10.6) and Lion (10.7) to get folders in Quick Look preview to show up with transparent covers. This option gives you an “x-ray” style view of the icons inside a folder.
defaults write com.apple.finder QLEnableXRayFolders -bool true
To make the command take effect, you will need to restart the Finder
Revert to the default setting:
defaults delete com.apple.finder
4 thoughts on “X-Ray style Quick Look folder preview”
Unfortunately, appears NOT to work in 10.8.
^confirmed not working on 10.8
Confirmed not working on 10.8 🙁
also not working in 10.9
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