Hi @A_tbs
When you get a chance, please introduce yourself here. I'd also encourage you to add a real picture as your avatar because it helps build community!
or_other
doesn't work with external selects. This is only a shortcut so if you use it in a form with select_one
/select_multiple
question under the hood that other
option is added to the list of choices while converting the form from XLS to XML. If that list is in an external csv file we can't alter it automatically.