2060 ZFO (Form) File Aggregate ZFO file is a ZIP archive file containing the FO electronic form. The FO electronic form is a XML data file containing an electronic form intended for usage in the 602XML applications. The form is a composure of the layout structure using XSL-FO, data instance and data model using generic XML elements defined in the 602XML framework. The whole electronic form structure is always embedded into a digital signature represented by XML elements of the XML Signature standard. ZFO file can be password protected. 242 The National Archives of the Czech Republic / The National Archives of the Czech Republic 18 Jan 2020 This format can be identified via a container signature in DROID version 6 or later. The PRONOM database cannot currently represent container signatures. 11 Oct 2022 application/vnd.software602.filler.form-xml-zip MIME fmt/1242 PUID zfo File extension