The QXP file format is the native project file format used by QuarkXPress, a professional desktop publishing and page layout software application. It serves as a container for complex document layouts, including text, images, vector graphics, and advanced typography settings. Unlike simple word processing documents, QXP files are designed for high-end print production, digital publishing, and interactive media. They store precise information regarding page geometry, master pages, style sheets, color profiles, and linked assets. Because QXP files often rely on external links to high-resolution images, they are typically managed within a production workflow that keeps track of these dependencies. The format has evolved significantly over decades, with newer versions of QuarkXPress maintaining backward compatibility while introducing support for modern features like HTML5 export, responsive design, and sophisticated transparency effects. It remains a staple in the publishing industry for creating magazines, newspapers, brochures, and long-form books.