Document.SnapToGrid Property (Word)
True if AutoShapes or East Asian characters are automatically aligned with an invisible grid when they are drawn, moved, or resized in the specified document. Read/write Boolean .
expression A variable that represents a 'Document' object.
You can temporarily override this setting by pressing ALT while drawing, moving, or resizing an AutoShape.
This example sets Microsoft Word to automatically align East Asian characters with the invisible grid in the current document.
ActiveDocument.SnapToGrid = True