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umnotitiwangsaAsked on June 20, 2019 at 8:48 PM
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Nik_CReplied on June 21, 2019 at 1:56 AM
You can enable unique submissions option, here is how: https://www.jotform.com/help/64-How-to-Set-Unique-Submissions-on-a-Form
Hope it helps.
Thank you!