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.
The purpose of a checkbox field is to allow users to select more than 1 option. You can learn more about it here.
Radio Button: Radio buttons are for one choice answer.
Check Box: Used for multiple choices.
If you want to limit a checkbox field to only have a specified number of options selected, you can change the properties as shown below.
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That Ted says is right, you should use the radio buttons if you want the user only select one option, but also if you want you can limit the number of options selected as explained in the image above.
Please, if you need more help, feel free to contact us.