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.
Unfortunately it is not possible to update fields from a database or Excel file.
You can however use conditions to populate a field based on the information entered in another field. This means that you can set up the conditions to have the information that needs to be place in the desired file.
Here is a simple sample form of the condition at work: http://form.jotformpro.com/form/50644235676964?
Please choose to enter an age above and below 21 to see the condition effect.
Please inform us if this is a suitable option for you.