Tom Murdoch  If a questionnaire has already received responses, then I would not recommend altering the questionnaire. I've seen this before and it caused so many problems where the first several responses has the old questionnaire in mind but no longer valid. While, as developers of the questionnaire feature, we would know how to navigate this "safely", but end users will always surprise you with what they'd do. The safest thing would be to recall a questionnaire and generate a copy of an existing one to then modify.