And with a new conversion tool in Xcode 12, you can quickly bring your existing extensions to Safari and make them available on the Mac App Store. Safari Web Extensions can add custom functionality to Safari 14 using the same WebExtensions API used in other browsers, such as Chrome, Firefox, and Edge. IPad apps that support modern technologies like keyboard input, multitasking, size classes, and SwiftUI will automatically inherit great macOS features like resizability and full screen mode. Confirm that your apps gracefully handle cases where iPhone and iPad features are not available on Mac. (EDIT: As Tom pointed out LibreOffice 4.0 and above, released in February 2013, can now open and work with Publisher files) What I've recommended for people at our office who have made the switch to Mac is to either export to a different format (Word, PDF, etc) from Publisher on their PC beforehand. By default, your apps will be published automatically on the Mac App Store. The Mac App Store brings iPhone and iPad apps to Apple silicon Macs - so your apps can reach even more users worldwide. Learn how to submit your apps iPhone and iPad apps on Apple silicon Macs Organized around the specific things customers love to do on Mac, along with insightful stories, curated collections, and videos, the Mac App Store beautifully showcases your apps and makes them even easier to find. The Mac App Store makes it simple for customers to discover, purchase, and download your apps, and easily keep them updated.