On the Page & Survey tab, head to the Survey Questions and Dynamic Content section.

Go to the question for which you wish to set a close date and click the Edit gear.

In the next dialog, click Options.

In the popup, select Close Poll.

When you return to the question, it will be marked as Closed in red at the bottom right of the question box. 

Not what you were looking for? Check out our article on How to set a close date for receiving input.

Related articles:

How to un-archive a project re-open a survey
Schedule a close date for the project
Schedule a close date for all questions
Deleting and archiving a survey
How to re-open a closed question (when you don't want to re-open all questions)
How to close a project

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