Scroll Lines Saved The Message Window contains a scroll bar that allows you to scroll through the message lines. To change the number of lines saved in the window: 1. Choose Message Window... from the Message Window Options menu. The Message Window displays the Message Window Options dialog box. 2. Drag the arrow toward the right Scroll Lines Saved scale to increase or toward the left to decrease the number of lines you want to save in your Message window. 3. Click on either the OK or Apply button. The change takes effect immediately.