Required fields in fillable forms don't work

Question

I'm creating a form with fillable fields. I have set many of my fields as required (in properties) and then saved the form as a "Reader Extended pdf" file.

When the user fills out the form, they can save the form without filing out fields that were configured as "required". How do I get the "required" property to require the fields to be filled out?

try67 · Answer

The required property is only used when the form is submitted. If you want to use it in other situations then a script is required.

It's important to know that it's not possible to entirely prevent someone from saving the file, but a script can force the fields in the saved copy to be empty, or to display an error message, for example.

I've developed a script that allows you do that, and you can find it here: Custom-made Adobe Scripts: Acrobat -- Validate Required Fields Before Printing or Saving

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