Command+D

Duplicate the selected files.

Shift+Command+C

Open the Computer window.

Shift+Command+D

Open the desktop folder.

Shift+Command+F

Open the All My Files window.

Shift+Command+G

Open a Go to Folder window.

Shift+Command+H

Open the Home folder of the current macOS user account.

Command+E

Eject the selected disk or volume.

Command+F

Start a Spotlight search in the Finder window.

Command+I

Show the Get Info window for a selected file.

Shift+Command+I

Open iCloud Drive.

Shift+Command+K

Open the Network window.

Shift+Command+R

Open the AirDrop window.

Shift+Command+O

Open the Documents folder.

Option+Command+L

Open the Downloads folder.

Shift+Command+O

Open the Documents folder.

Shift+Command+R

Open the AirDrop window.

Shift+Command+U

Open the Utilities folder.

Command+K

Open the Connect to Server window.

Command+L

Make an alias of the selected item.

Command+N

Open a new Finder window.

Shift+Command+N

Create a new folder.

Command+Left Bracket ()

Go to the previous folder.

Command+Right Bracket ()

Go to the next folder.

Command+Up Arrow

Open the folder that contains the current folder.

Command+Control+Up Arrow

Open the folder that contains the current folder in a new window.

Command+Down Arrow

Open the selected item.

Right Arrow

Open the selected folder. This works only when in list view.

Left Arrow

Close the selected folder. This works only when in list view.

Option+double-click

Open a folder in a separate window and close the current window.

Command+double-click

Open a folder in a separate tab or window.

Option+Brightness Up

Open Displays preferences. This works with either Brightness key.

Option+Mission Control

Open Mission Control preferences.

Option+Volume Up

Open Sound preferences. This works with any of the volume keys.

Option+click a disclosure triangle

Open all folders within the selected folder. This works only when in list view.

Shift+Command+T

Add selected Finder item to the Dock (OS X Mountain Lion or earlier)

Control+Shift+Command+T

Add selected Finder item to the Dock (OS X Mavericks or later)

Control+Command+T

Add the selected item to the sidebar (OS X Mavericks or later).

Option+Command+P

Hide or show the path bar in Finder windows.

Option+Command+S

Hide or show the Sidebar in Finder windows.

Command+Slash (/)

Hide or show the status bar in Finder windows.

Option+Command+V

Move: Move the files in the Clipboard from their original location to the current location.

Command key while dragging

Move the dragged item to another volume or location. The pointer changes while you drag the item.

Option key while dragging

Copy the dragged item. The pointer changes while you drag the item.

Option+Command while dragging

Make an alias of the dragged item. The pointer changes while you drag the item.

Command+Delete

Move the selected item to the Trash.

Shift+Command+Delete

Empty the Trash.

Option+Shift+Command+Delete

Empty the Trash without confirmation dialog.

Command+Brightness Up

Turn Target Display Mode on or off.

Command+Brightness Down

Turn display mirroring on or off when your Mac is connected to more than one display.

Option+Command+D

Show or hide the Dock. This often works even when you're not in the Finder.

Command+R

Show the original file for the selected alias.

Command+T

Show or hide the tab bar when a single tab is open in the current Finder window.

Shift+Command+T

Show or hide a Finder tab.

Option+Command+T

Show or hide the toolbar when a single tab is open in the current Finder window.

Command+J

Show View Options.

Option+Command+Y

View a Quick Look slideshow of the selected files.

Command+Y

Use Quick Look to preview the selected files.

Command+1

View the items in the Finder window as icons.

Command+2

View the items in a Finder window as a list.

Command+3

View the items in a Finder window in columns.

Command+4

View the items in a Finder window with Cover Flow.

Command+Mission Control

Show the desktop. This works even when you're not in the Finder.

Command+Y

Use Quick Look to preview the files.

Command+click a window title

See the folders that contain the current folder.