Keynote comes with a large number of templates or you can start from scratch. You can use the file to store a presentation filled with photos from your summer vacation, tables and charts of data detailing a business proposal, book report information for a class, etc.
KEY files are generally used for storing presentations for academic, business, or personal purposes that can be displayed with Keynote. The iWork apps are developed for macOS and iOS but can also be accessed using a browser on a Mac or PC through iCloud. These applications are Apple's versions of the more popular PowerPoint, Word, and Excel programs, which are developed by Microsoft and available in the Office suite. Keynote is one of Apple's three productivity apps that make up iWork, along with Pages and Numbers.
