Multiple choice technology operating systems Move backward through the tabs (On Dialog Box) CTRL+ALT+TAB CTRL+SHIFT+TAB ALT+SHIFT+TAB CTRL+SHIFT+(-) Reveal answer Fill a bubble to check yourself B Correct answer Explanation CTRL+SHIFT+TAB is the keyboard shortcut for moving backwards through tabs in a dialog box. This reverses the direction of tab navigation, complementing CTRL+TAB which moves forward through tabs.