Pull up select one options from external sheet with choice filter

[Kal_Lam]

Welcome to the community, @mentionnot! You should be able to do it as outlined and discussed in our previous post:

Cascading Select and External File

Welcome to the community, @bird_rao! Please be informed that the select_one_from_file should work with both your Web Form as well as Collect android app. Maybe you should also be able to see a workaround discussed previously here: As an alternate, you could also use the select_one_external to cascade your long list of choices as outlined in the post discussed previously: