What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.

At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.

We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.


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    Duplicate submissions

    Asked by sharuvman on February 13, 2013 at 10:16 PM

    Hi,

     

    Is there any feature where in form prevents duplicate submissions ?.

     

    Eg: I want only two fields to be entered by a submitter. One is ID ( number ) and another Option (Text). The form I create should be able to prevent same ID entering the option again. Is it possible ?

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    JotForm Support

    Answered by EltonCris on February 13, 2013 at 11:27 PM

    Hi,

    Unfortunately we do not have duplicate data check feature or something similar to that, therefore it is not possible. A possible workaround is to enable unique submissions with your form. This way, the user can only submit 1 submission entry per IP or per browser depending on the level of unique submisisons you've set. It is explained on this guide: How to Setup Unique Submissions of a Form

    Let us know if you have any other questions or concerns. Thanks!