Use Quick Look to preview the selected item

`Space`

All hotkeys for Apple macOS

Cut, copy, paste, and other common shortcuts Cut the selected item and copy it to the Clipboard	`⌘ Cmd` + `X`
Cut, copy, paste, and other common shortcuts Copy the selected item to the Clipboard. This also works for files in the Finder	`⌘ Cmd` + `C`
Cut, copy, paste, and other common shortcuts Paste the contents of the Clipboard into the current document or app. This also works for files in the Finder	`⌘ Cmd` + `V`
Cut, copy, paste, and other common shortcuts Undo the previous command. You can then press Command + Shift + Z to Redo, reversing the undo command. In some apps, you can undo and redo multiple commands	`⌘ Cmd` + `Z`
Cut, copy, paste, and other common shortcuts Select All items	`⌘ Cmd` + `A`
Finder Start a Spotlight search in the Finder window	`⌘ Cmd` + `F`
Cut, copy, paste, and other common shortcuts Find Again: Find the next occurrence of the item previously found. To find the previous occurrence, press Command + Shift + G	`⌘ Cmd` + `G`
Cut, copy, paste, and other common shortcuts Hide the windows of the front app. To view the front app but hide all other apps, press Command + Option + H	`⌘ Cmd` + `H`
Cut, copy, paste, and other common shortcuts Minimize the front window to the Dock. To minimize all windows of the front app, press Command + Option + M	`⌘ Cmd` + `M`
Finder Open a new Finder window	`⌘ Cmd` + `N`
Cut, copy, paste, and other common shortcuts Open the selected item, or open a dialog to select a file to open	`⌘ Cmd` + `O`
Cut, copy, paste, and other common shortcuts Print the current document	`⌘ Cmd` + `P`
Cut, copy, paste, and other common shortcuts Save the current document	`⌘ Cmd` + `S`
Cut, copy, paste, and other common shortcuts Close the front window. To close all windows of the app, press Command + Option + W.	`⌘ Cmd` + `W`
Cut, copy, paste, and other common shortcuts Quit the app	`⌘ Cmd` + `Q`
Cut, copy, paste, and other common shortcuts Choose an app to force quit. Or press Command + Shift + Option + Esc and hold for 3 seconds to force just the front app to quit	`⌥ Option` + `⌘ Cmd` + `Esc`
Cut, copy, paste, and other common shortcuts Show or hide the Spotlight search field. To perform a Spotlight search from a Finder window, press Command + Option + Space. If you use multiple input sources to type in different languages, these shortcuts change input sources instead of showing Spotlight	`⌘ Cmd` + `Space`
Cut, copy, paste, and other common shortcuts Use Quick Look to preview the selected item	`Space`
Cut, copy, paste, and other common shortcuts Switch to the next most recently used app among your open apps	`⌘ Cmd` + `⭾ Tab`
Cut, copy, paste, and other common shortcuts Switch to the next most recently used window of the front app	`↑ Shift` + `⌘ Cmd` + `~`
Cut, copy, paste, and other common shortcuts Take a screenshot of the entire screen	`↑ Shift` + `⌘ Cmd` + `3`
Cut, copy, paste, and other common shortcuts Open preferences for the front app	`⌘ Cmd` + `,`
Sleep, log out, and shut down shortcuts Press and hold for 5 seconds to force your Mac to turn off	`Power`
Sleep, log out, and shut down shortcuts Force your Mac to restart	`Control` + `⌘ Cmd` + `Power`
Sleep, log out, and shut down shortcuts Put your displays to sleep	`Control` + `↑ Shift` + `Power`
Sleep, log out, and shut down shortcuts Put your displays to sleep	`Control` + `↑ Shift` + `Media`
Sleep, log out, and shut down shortcuts Quit all apps, then restart your Mac. If any open documents have unsaved changes, you'll be asked whether you want to save them	`Control` + `⌘ Cmd` + `Eject`
Sleep, log out, and shut down shortcuts Quit all apps, then shut down your Mac. If any open documents have unsaved changes, you'll be asked whether you want to save them	`Control` + `⌥ Option` + `⌘ Cmd` + `Power`
Sleep, log out, and shut down shortcuts Quit all apps, then shut down your Mac. If any open documents have unsaved changes, you'll be asked whether you want to save them	`Control` + `⌥ Option` + `⌘ Cmd` + `Media`
Sleep, log out, and shut down shortcuts Log out of your macOS user account. You'll be asked to confirm	`↑ Shift` + `⌘ Cmd` + `Q`
Sleep, log out, and shut down shortcuts Log out of your macOS user account immediately, without being asked to confirm	`⌥ Option` + `↑ Shift` + `⌘ Cmd` + `Q`
Document shortcuts Boldface the selected text, or turn boldfacing on or off	`⌘ Cmd` + `B`
Finder Show the Get Info window for a selected file	`⌘ Cmd` + `I`
Document shortcuts Underline the selected text, or turn underlining on or off	`⌘ Cmd` + `U`
Finder Show or hide the tab bar when a single tab is open in the current Finder window	`⌘ Cmd` + `T`
Finder Duplicate the selected files	`⌘ Cmd` + `D`
Document shortcuts Show or hide the definition of the selected word	`Control` + `⌘ Cmd` + `D`
Document shortcuts Display the Spelling and Grammar window	`↑ Shift` + `⌘ Cmd` + `:`
Document shortcuts Find misspelled words in the document	`⌘ Cmd` + `;`
Document shortcuts Delete the word to the left of the insertion point	`⌥ Option` + `Del`
Document shortcuts Delete the character to the left of the insertion point. Or use Delete	`Control` + `H`
Document shortcuts Delete the character to the right of the insertion point. Or use Fn + Delete	`Control` + `D`
Document shortcuts Forward delete on keyboards that don't have a Forward Delete key. Or use Control + D	`Fn` + `Del`
Document shortcuts Delete the text between the insertion point and the end of the line or paragraph	`Control` + `K`
Finder Move the selected item to the Trash	`⌘ Cmd` + `Del`
Document shortcuts Scroll up one page	`Fn` + `↑`
Document shortcuts Scroll down one page	`Fn` + `↓`
Document shortcuts Scroll to the beginning of a document	`Fn` + `←`
Document shortcuts Arrow Scroll to the end of a document	`Fn` + `→`
Document shortcuts Move the insertion point to the beginning of the document	`⌘ Cmd` + `↑`
Finder Open the selected item	`⌘ Cmd` + `↓`
Document shortcuts Move the insertion point to the beginning of the current line	`⌘ Cmd` + `←`
Document shortcuts Move the insertion point to the end of the current line	`⌘ Cmd` + `→`
Document shortcuts Move the insertion point to the beginning of the previous word	`⌥ Option` + `←`
Document shortcuts Move the insertion point to the end of the next word	`⌥ Option` + `→`
Document shortcuts Select the text between the insertion point and the beginning of the document	`↑ Shift` + `⌘ Cmd` + `↑`
Document shortcuts Select the text between the insertion point and the end of the document	`↑ Shift` + `⌘ Cmd` + `↓`
Document shortcuts Select the text between the insertion point and the beginning of the current line	`↑ Shift` + `⌘ Cmd` + `←`
Document shortcuts Select the text between the insertion point and the end of the current line	`↑ Shift` + `⌘ Cmd` + `→`
Document shortcuts Extend text selection to the nearest character at the same horizontal location on the line above	`↑ Shift` + `↑`
Document shortcuts Extend text selection to the nearest character at the same horizontal location on the line below	`↑ Shift` + `↓`
Document shortcuts Extend text selection one character to the left	`↑ Shift` + `←`
Document shortcuts Extend text selection one character to the right	`↑ Shift` + `→`
Document shortcuts Extend text selection to the beginning of the current paragraph, then to the beginning of the following paragraph if pressed again	`⌥ Option` + `↑ Shift` + `↑`
Document shortcuts Arrow Extend text selection to the end of the current paragraph, then to the end of the following paragraph if pressed again	`⌥ Option` + `↑ Shift` + `↓`
Document shortcuts Arrow Extend text selection to the beginning of the current word, then to the beginning of the following word if pressed again	`⌥ Option` + `↑ Shift` + `←`
Document shortcuts Extend text selection to the end of the current word, then to the end of the following word if pressed again	`⌥ Option` + `↑ Shift` + `→`
Document shortcuts Move to the beginning of the line or paragraph	`Control` + `A`
Document shortcuts Move to the end of a line or paragraph	`Control` + `E`
Document shortcuts Move one character forward	`Control` + `F`
Document shortcuts Move one character backward	`Control` + `B`
Document shortcuts Center the cursor or selection in the visible area	`Control` + `L`
Document shortcuts Move up one line	`Control` + `P`
Document shortcuts Move down one line	`Control` + `N`
Document shortcuts Insert a new line after the insertion point	`Control` + `O`
Document shortcuts Swap the character behind the insertion point with the character in front of the insertion point	`Control` + `T`
Document shortcuts Left align	`⌘ Cmd` + `{`
Document shortcuts Right align	`⌘ Cmd` + `}`
Document shortcuts Center align	`↑ Shift` + `⌘ Cmd` + `\|`
Document shortcuts Go to the search field	`⌥ Option` + `⌘ Cmd` + `F`
Finder Show or hide the toolbar when a single tab is open in the current Finder window	`⌥ Option` + `⌘ Cmd` + `T`
Document shortcuts Copy the formatting settings of the selected item to the Clipboard	`⌥ Option` + `⌘ Cmd` + `C`
Finder Move the files in the Clipboard from their original location to the current location	`⌥ Option` + `⌘ Cmd` + `V`
Document shortcuts Apply the style of the surrounding content to the item pasted within that content	`⌥ Option` + `↑ Shift` + `⌘ Cmd` + `V`
Document shortcuts Show or hide the inspector window	`⌥ Option` + `⌘ Cmd` + `I`
Document shortcuts Display a window for selecting document settings	`↑ Shift` + `⌘ Cmd` + `P`
Document shortcuts Display the Save As dialog, or duplicate the current document	`↑ Shift` + `⌘ Cmd` + `S`
Document shortcuts Decrease the size of the selected item	`↑ Shift` + `⌘ Cmd` + `-`
Document shortcuts Increase the size of the selected item. Command–Equal sign (=) performs the same function.	`↑ Shift` + `⌘ Cmd` + `+`
Document shortcuts Open the Help menu	`↑ Shift` + `⌘ Cmd` + `?`
Finder Eject the selected disk or volume	`⌘ Cmd` + `E`
Finder Open the Computer window	`↑ Shift` + `⌘ Cmd` + `C`
Finder Open the desktop folder	`↑ Shift` + `⌘ Cmd` + `D`
Finder Open the All My Files window	`↑ Shift` + `⌘ Cmd` + `F`
Finder Open a Go to Folder window	`↑ Shift` + `⌘ Cmd` + `G`
Finder Open the Home folder of the current macOS user account	`↑ Shift` + `⌘ Cmd` + `H`
Finder Open iCloud Drive	`↑ Shift` + `⌘ Cmd` + `I`
Finder Open the Network window	`↑ Shift` + `⌘ Cmd` + `K`
Finder Open the Downloads folder	`⌥ Option` + `⌘ Cmd` + `L`
Finder Open the Documents folder	`↑ Shift` + `⌘ Cmd` + `O`
Finder Open the AirDrop window	`↑ Shift` + `⌘ Cmd` + `R`
Finder Show or hide a Finder tab	`↑ Shift` + `⌘ Cmd` + `T`
Finder Add selected Finder item to the Dock (OS X Mavericks or later)	`Control` + `↑ Shift` + `⌘ Cmd` + `T`
Finder Open the Utilities folder	`↑ Shift` + `⌘ Cmd` + `U`
Finder Show or hide the Dock. This often works even when you're not in the Finder	`⌥ Option` + `⌘ Cmd` + `D`
Finder Add the selected item to the sidebar (OS X Mavericks or later)	`Control` + `⌘ Cmd` + `T`
Finder Hide or show the path bar in Finder windows	`⌥ Option` + `⌘ Cmd` + `P`
Finder Hide or show the Sidebar in Finder windows	`⌥ Option` + `⌘ Cmd` + `S`
Finder Hide or show the status bar in Finder windows	`⌘ Cmd` + `/`
Finder Show View Options	`⌘ Cmd` + `J`
Finder Open the Connect to Server window	`⌘ Cmd` + `K`
Finder Make an alias of the selected item	`⌘ Cmd` + `L`
Finder Create a new folder	`↑ Shift` + `⌘ Cmd` + `N`
Finder Create a new Smart Folder	`⌥ Option` + `⌘ Cmd` + `N`
Finder Show the original file for the selected alias	`⌘ Cmd` + `R`
Finder View a Quick Look slideshow of the selected files	`⌥ Option` + `⌘ Cmd` + `Y`
Finder Use Quick Look to preview the files	`⌘ Cmd` + `Y`
Finder View the items in the Finder window as icons	`⌘ Cmd` + `1`
Finder View the items in a Finder window as a list	`⌘ Cmd` + `2`
Finder View the items in a Finder window in columns	`⌘ Cmd` + `3`
Finder View the items in a Finder window with Cover Flow	`⌘ Cmd` + `4`
Finder Go to the previous folder	`⌘ Cmd` + `[`
Finder Go to the next folder	`⌘ Cmd` + `]`
Finder Open the folder that contains the current folder.	`⌘ Cmd–↑`
Finder Arrow Open the folder that contains the current folder in a new window	`⌘ Cmd` + `Control` + `↑`
Finder Control Show the desktop. This works even when you're not in the Finder	`⌘ Cmd` + `Mission`
Finder Turn Target Display Mode on or off	`⌘ Cmd` + `BrightnessUp`
Finder Turn display mirroring on or off when your Mac is connected to more than one display	`⌘ Cmd` + `BrightnessDown`
Finder Open the selected folder. This works only when in list view	`→`
Finder Close the selected folder. This works only when in list view	`←`
Finder Open a folder in a separate window and close the current window	`⌥ Option` + `Mouse double click`
Finder Open a folder in a separate tab or window	`⌘ Cmd` + `Mouse double click`
Finder Empty the Trash	`↑ Shift` + `⌘ Cmd` + `Del`
Finder Empty the Trash without confirmation dialog	`⌥ Option` + `↑ Shift` + `⌘ Cmd` + `Del`
Finder Open Displays preferences. This works with either Brightness key	`⌥ Option` + `BrightnessUp`
Finder Open Mission Control preferences	`⌥ Option` + `MissionControl`
Finder Open Sound preferences. This works with any of the volume keys	`⌥ Option` + `VolumeUp`
Finder Move the dragged item to another volume or location. The pointer changes while you drag the item.	`⌘ Cmd` + `Mouse movement`
Finder Copy the dragged item. The pointer changes while you drag the item.	`⌥ Option` + `Mouse movement`
Finder Make an alias of the dragged item. The pointer changes while you drag the item	`⌥ Option` + `⌘ Cmd` + `Mouse movement`
Finder (on a disclosure triangle) Open all folders within the selected folder. This works only when in list view	`⌥ Option` + `Mouse left click`
Finder (on a window title) See the folders that contain the current folder	`⌘ Cmd` + `Mouse left click`