Allow Visio 2003/2007 to open multiple independent windows at the same time

1. open Visio 2003/20072. click [tools]-> [Options]; 3. in the displayed "options" dialog box, select the "advanced" option page. 4. remove the check box before "open each shapesheet in the same window. check all settings in the Windows registry. 6. it is best to close Visio and open it again to ensure that the settings are written to the registry; 7. click the [start] menu and click "Run (r )... ", enter Regedit to open the Registry Editor; 8. go to HKEY_CURRENT_USER/software/Microsoft/office/11.0/Visio/application/or HKEY_CURRENT_USER/software/Microsoft/office/12.0/Visio/application/9. double-click the singleinstancefileopen entry on the right to change its value from 1 to 0. It may fail once because the registry is not successfully modified. Try again.