This option turns on/off the popup-screen with question, which appears every time when you try to change the template binding:
This option is to show/hide the button
on the Initial screen. This button allows you to create a new Form with uploading any XLSX-file from desktop and using it as template:
Note: Using of this option is not recommended, because the uploaded file can contain unwanted embedded objects, external links etc, that can be cause of inconsistency in the resultant Printing form.
This option sets messages tab active when you select a component which has errors .
If the option is set, and you pose cursor to a component which does not have template binding, the current selection of cell range is losing (the whole worksheet is being selected).