PML is a multimedia file format used by the PowerMark software. It contains multimedia data, such as images and video clips, and is commonly used for creating presentations and digital portfolios. PML files can be opened and edited within the PowerMark software, making them ideal for multimedia projects.
EPUB is an open-source ebook format designed for digital books. It allows text and images to adapt to different screen sizes, making it ideal for reading on various devices, such as smartphones, tablets, and e-readers. EPUB supports rich formatting, multimedia elements, and interactivity, offering a flexible and portable ebook format that is widely supported by ebook readers and apps.