This guide shows you a few different ways to select a user dialogue window button just using your keyboard.

Options

Option 1

Using the return (↩) key will, by default, always select whichever button is in focus.

Option 2

Several dialogue windows will allow you to simply press ⌘ + first_letter_of_button

Option 3 - My Favorit One 😁

Update: 2023.01.19

macOS Ventura and newer

1. Go to System Settings

2. Got to Keyboard settings.

3. Toggle the Keyboard navigation option.

   

4. Now, you should be able to ⇥ between dialogue buttons and use space to select the button.

macOS Monterey and older

1. Go to System Preferences

2. Click Keyboard.

3. Click Shortcuts.

4. Check the box next to Use keyboard navigation to move focus between controls.

   

Now, you should be able to ⇥ between dialogue buttons and use space to select the button.