How to set the field that will be used to label features in a map layout, and how to add and customize label halos in ArcMap 10.1. Learn more about this topic at: donboyes.com/le...
No expressions were used - I used the Maplex Label Engine which has an option to break text onto two lines desktop.arcgis.com/en/arcmap/latest/map/working-with-text/what-is-maplex-.htm