2. The Forward Button : This button will take you forward to the next document if you have previously browsed multiple documents and had then backed-up to the page you are currently viewing. (If you have not backed up at all, the forward button will be grayed-out) Pressing it repeatedly will continue to move you forward one page at a time. You can move forward until you reach the last page that you had browsed, at which time the forward button will be grayer-out.