Other Modules > Working with Drawings > To Enter Legacy Drawing Mode to Work with an Existing Drawing
  
To Enter Legacy Drawing Mode to Work with an Existing Drawing
1. Click File > Open.
2. Select the appropriate file from the File Open dialog box. The specified drawing is displayed.
3. Click the Legacy button from the Quick Access Toolbar or the tab on the ribbon.
 
* Before you can enter the Legacy mode, you must add the Legacy button to the Quick Access Toolbar or to an existing tab on the Creo Parametric Ribbon user interface. Refer To Enter Legacy for details.