This article shows how to change the default apps used to open files in macOS 10.15. This alteration is meant to give these duties to other Mac apps of your liking. So, Apple allows you to change the default apps used to open files in macOS 10.15. However, it is not a must that you use these applications when you have other alternatives.
These set default apps on macOS 10.15 are meant to automatically open web links, audio files and emails respectively, when need arises. Mac is ready for use due to its pre-installed applications, like Safari, iTunes and Mail. You can change all your macOS 10.15 default apps, if there are others that you like more. MacOS comes with default applications that enable you to do various activities automatically, such as open emails, browse and listen to audio files.
macOS 10.14 Update Not Showing on App Store.Alternatives to Adobe Acrobat for macOS 10.14.