Detaching and Attaching Chart Windows
To detach an open chart, select Chart >> Detach/Re-Attach Chart Window on the menu.
To re-attach a detached chart, select Chart >> Detach/Re-Attach Chart Window on the detached chart's menu.
To detach an open chart, select Chart >> Detach/Re-Attach Chart Window on the menu.
To re-attach a detached chart, select Chart >> Detach/Re-Attach Chart Window on the detached chart's menu.