Using basic capabilities : Overview of using basic capabilities : Diagrams : Routing lines on a diagram
  
Routing lines on a diagram
1 Select one or more lines Press Ctrl + A to select all objects on the diagram.
2 Right‑click, and then click Route Line. You can also access the command by clicking Format > Route Line.
3 Select one of the two options for routing lines.
Retain Connections
Assign connections
See also
Inserting segments into lines
Straightening non-elliptical lines
Diagrams