To invoke Quick Look on any item in the Finder under 10.8, you no longer have to use a contextual menu, tap the Spacebar, or press the keyboard shortcut (which is Command-Y, if you're curious). If you have a Multi-Touch device like a Magic Trackpad, now you can just do a three-finger tap on the file to get your preview window.

To dismiss the Quick Look window, tap with three fingers again.
If you aren't a fan of this, you can toggle it off under System Preferences > Trackpad. It's the checkbox labeled Look up.

As you might guess from the preference name, this Quick Look functionality uses the same gesture that looking up word definitions does. So if you deselect this checkbox, you'll disable both. But why would you ever want to do that, silly reader?


5 Comments Leave Your Own
What? Spacebar for Quick look is available since (at least) Leopard. Also in Snow Leopard and Lion too.
Anyway, the Trackpad options in OS are very limited, better to use BettertouchTool there you can configure hundreds from gesture for any particular application.
I have the new Macbook Pro and if I could I would downgrade to Snow Leopard. This ML has only new “social” functions = more control.
REgards
Read again: “…you no longer have to use a contextual menu, tap the Spacebar, or press the keyboard shortcut …”
Oh! I see…
Anyway… 4 years development to use 3 fingers instead of one finger (Spacebar) ;(
Is it worth to write an article about this?
Great tip Melissa!
Cheers!
You’re welcome, Cesar! Thanks for reading.
—Melissa
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