1997 Apple iWork Template 13 Template for iWork 13, Apple's office productivity suite, compatible with macOS and iOS operating systems. It is also available cross-platform through the iCloud website. iWork13 template files use a standard Zip file to store XML content together with other associated data, including index, Metadata and preview files. 1 Digital Preservation Department / The National Archives 10 Aug 2018 This format can be identified via a container signature in DROID version 6 or later. The PRONOM database cannot currently represent container signatures. 10 Aug 2018 fmt/1187 PUID template File extension