Wisconsin Change of Address — Debtor is a process used by debtors to update their address information with creditors, courts, and other parties involved in a debt-collection proceedings. There are two types of Wisconsin Change of Address — Debtor: direct filing and online filing. Direct filing involves submitting a form by mail, fax, or in-person to a creditor or court. Online filing requires debtors to submit an online form to the court. Both types of Wisconsin Change of Address — Debtor allow debtors to update their address information quickly and easily without the need to contact each creditor or court individually.