What I Found
If your Mac will not let you tab through Save, Quit, or confirmation dialog buttons, change Full Keyboard Access in.
If you have ever tried to save or quit a file on your Mac and realized the keyboard would not let you move through the dialog buttons, it can feel like macOS is getting in your way.
To enable tabbing through Mac dialogs, open System Preferences, go to Keyboard, choose the Keyboard Shortcuts tab, and change Full Keyboard Access from Text boxes and lists only to All controls.
What this video covers
- Why Dialog Tabbing May Not Work
- The Setting To Change
- How To Test It
- What This Helps With
The short version
To enable tabbing through Mac dialogs, open System Preferences, go to Keyboard, choose the Keyboard Shortcuts tab, and change Full Keyboard Access from Text boxes and lists only to All controls.