See Xml\Tutorial\0601 Managing document structure\Unlinking diagrams\Linked diagrams.xml for the file used in this tutorial

1. Start with 2 root diagrams that are linked


First root diagram


Second root diagram


2. Unlink the diagrams

Select the end event of the first diagram, and click the right mouse button. The context menu is displayed.

Select [Link...]


The [Maintain links] window is displayed. The currently linked diagram is highlighted (second root diagram)

Unselect the highlighted diagram

Click the [Apply] button


3. The diagrams are now unlinked


First root diagram


Second root diagram