Select the   icon to open the " Options"  window.

In the "Excel Import" dialog, you can import a luminaire list in the form of an Excel table. 

To do this, it is necessary to select the Excel file and specify the worksheet and rows/columns in which the data is located. 

Alongside the x-coordinates, it is also possible to import the control groups. The Preview section on the right shows which data is being adopted. 

You should then press the " Assume data"  button to import the data into the program.

"Options" window and "Excel Import" dialog.