Working With Model Items and Diagrams > Working with diagrams > Basics > Copying diagrams
  
Copying diagrams
You can copy diagrams through a drag and drop operation or through a copy and paste operation.
To copy diagrams through a drag and drop operation:
1. In an appropriate pane, select the diagrams you want to copy.
2. Press and hold the Ctrl key and drag the diagrams to the item that is to own the copies.
* 
If during a drag and drop operation you hover over a pane or pane tab, that pane will get the focus.
If during a drag and drop operation you hover over an expand symbol, the item will expand.
When copying a diagram through a drag and drop operation, the pointer changes as follows when over a valid target item:
To copy diagrams through a copy and paste operation:
1. In an appropriate pane, select the diagrams you want to copy.
2. In the Edit menu, click Copy.
3. Click the item that is to own the copy.
4. In the Edit menu, click Paste.