To stop showing the Create New Document dialog box

1. Open Workspace Settings.

   1. User Interface Mode	Steps
      Ribbon (Office 2007)	On the Reflection button , choose Reflection Workspace Settings.
      Ribbon (Office 2010)	On the File menu, choose Reflection Workspace Settings.
      Reflection Browser	On the Reflection menu, choose Settings and then Reflection Workspace Settings.
      Tablet	Tap the Gear icon and then select Reflection Workspace Settings.

2. Under Workspace Settings, click Configure Workspace Settings.
3. At the When starting workspace box, select Show nothing.