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I have my Finder window set up to display in "list" view so that it shows all folders with triangles on the left to click to expand. I have a number of levels of nested folders. Is there any way (keyboard shortcut, menu item, etc.) to expand all, so I don't have to click through each level to see the files contained?

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up vote 30 down vote accepted

Select the folder you want (or command + A to select all) and then press:

  • Command + right arrow

And the left arrow undoes what the right arrow did, should you want to close things back up again.

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Thanks! I was hoping it was something simple like that. – EmmyS Jul 21 '11 at 15:29
[option] + [right arrow] is enough – krookedking Dec 21 '13 at 10:35
[option] + [right arrow] expands all subdirectories as well, whereas [command]+[right arrow] expands only the selected directories – Jose Rafael Santiago Jr. Dec 10 '14 at 14:47

I find mouse/trackpad-clicking the triangle while holding the Alt/Option or Command key works too.

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This is a much better solution if you wanna expand the whole tree, including sub-trees! – M.K. Safi Jul 27 '15 at 23:28

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