Via the Extended search function, you also have the opportunity to allocate multiple records to a new form. You can select the records to be processed via all of the options in the Extended search function. Only the option Group according to password form in the tab Search settings needs to be active

 

In order to change the folder, mark the desired records in the search results. After right-clicking the mouse, you can now select Change form. You can then select the desired form and allocate the fields via the Form converter.