Affidavit Form Template. Create affidavits quickly with our user-friendly online template.Learn how to create an accurate affidavit letter with our free printable templates. Create a free account, set a secure password, and proceed with email verification to start managing your templates. This article provides a comprehensive sample of an affidavit letter, guiding readers through the essential components and format. The first step to beginning the probate process is filling out the correct forms.