Change the Active Working Window
You can open several drawing or model files in the workspace. In this case, you can change the active window in the following ways:
- Press Ctrl+Tab. The function displays a list of the open windows, and shows their contents
        in a preview window.
        

- Move downwards on the list by holding down the Ctrl key and pressing the Tab key.
 - Move upwards on the list by holding down the Shift+Ctrl keys and pressing the Tab key.
 - Move upwards or downwards on the list by holding down the Ctrl key and pressing the cursor keys Up or Down.
 
Activate a window by releasing the keys. You can also activate a window by clicking it in the list.
 - Click the title bar of the window.
 - Select View tab > Window group >
          
List, and select a
        window's title bar from the list. The active window is highlighted in the list. 
