Is there the possibility to autopopulate the users name and email from an excel sheet or similar when they input their registration number?

Is there the possibility to autopopulate the users name and email from an excel sheet or similar when they input their registration number?

You may use the Spreadsheet to form widget to populate form fields based on the data of the spreadsheet.

Here is a guide:https://www.jotform.com/help/442-how-to-use-the-spreadsheet-to-form-widget

Please give it a try and let us know how it goes.