Cascade select using external csv

[Kal_Lam]

As a backup, kindly please be informed that you could also cascade choices using select_one_from_file as discussed previously:

Select_one choice filter from another select_one

Hi @esmatullaharifi, Welcome to the community! You could design your survey form with the cascading select question to get what you have tried for by following the support article here. As a backup you could also have a look at the post that has a simple workaround that should help you understand the concept of cascading select question: But looking at your xlsform, i see there are more then 800 choices which should affect your data entry performance. Thus a solution for this could be design…