The correct answer is F12.The function keys or F-keys on a computer keyboard, labeled F1 through F12, are keys with a special function defined by the operating system or active program. In certain instances, they may be combined with the Alt or Ctrl keys. F12 is the keyboard shortcut to open the "Save as" dialog box in MS word.Additional InformationShortcuts in MS-WordOpen a document.Ctrl+OCreate a new document.Ctrl+NSave the document.Ctrl+SClose the document.Ctrl+WCut the selected content to the Clipboard.Ctrl+XCopy the selected content to the Clipboard.Ctrl+CPaste the contents of the Clipboard.Ctrl+VSelect all document content.Ctrl+AApply bold formatting to the text.Ctrl+BApply italic formatting to text.Ctrl+IApply underline formatting to text.Ctrl+UDecrease the font size by 1 point.Ctrl+[Increase the font size by 1 point.Ctrl+]Centre the text.Ctrl+EAlign the text to the left.Ctrl+LAlign the text to the right.Ctrl+RCancel a command.EscUndo the previous action.Ctrl+ZRedo the previous action, if possible.Ctrl+YAdjust the zoom magnification.Alt+W, Q, then tab in the Zoom dialogue box to the value you want.Split the document window.Ctrl+Alt+SRemove the document window split.Alt+Shift+C or Ctrl+Alt+S