PageSetup.LayoutMode (Word)
Returns or sets the layout mode for the current document. Possible return values are wdLayoutModeDefault - No grid is used to lay out text, wdLayoutModeGenko - Text is laid out on a grid; the user specifies the number of lines and the number of characters per line. As the user types, Microsoft Word automatically aligns characters with gridlines, wdLayoutModeGrid - Text is laid out on a grid; the user specifies the number of lines and the number of characters per line. As the user types, Microsoft Word doesn't automatically align characters with gridlines, wdLayoutModeLineGrid - Text is laid out on a grid; the user specifies the number of lines, but not the number of characters per line.
ActiveDocument.PageSetup.LayoutMode = wdLayoutModeGenko