File extension: .pages Developed by: Apple Inc. Type of format: Document file format MIME: application/x-iwork-pages-sffpages Pages is a word processor developed by Apple Inc. It is part of the iWork productivity suite and runs on the macOS and iOS operating systems. Pages is marketed by Apple as an easy-to-use application that allows users to quickly create documents on their devices. Word documents created by Pages have the file extension .pages.