Hi,
The point can’t be shown on map since it only has local coordinates
Most likely, this message appeared because you didn’t change Easting to Longitude and Northing to Latitude in the columns’ title. You can rename it in the CSV file this way:
Name,Longitude,Latitude,Elevation
London,-0.1180922,51.509865,0.0
Then you can try to import it in ReachView 3. I attached the screenshots with this point on the map below.
