Word documents created by Pages have the file extension. Apple markets pages format as an easy-to-use application that allows users to create documents on their devices quickly. It is part of the iWork productivity suite and runs on the macOS and iOS operating systems. Pages is a word processor developed by Apple Inc.
Microsoft Word 2007 and later, the binary file format was replaced as the default format by the Office Open XML format, though Microsoft Word can still produce DOC files. DOC is a filename extension for word processing documents, most commonly in the proprietary Microsoft Word Binary File Format.