In ArcMap, you can change the viewing angle, particularly when working with 3D data in a 3D view like ArcScene or by using ArcGIS Pro. In ArcMap, the main 2D interface does not support a true "viewing angle" adjustment, but you can manipulate your data display and perspective somewhat. However, if you are referring to a 3D environment, here’s how you can adjust the viewing angle in ArcScene or ArcGIS Pro:
### ArcScene:
1. **Open or Create a 3D