You can easily do this when installing a new PDF reader, since a newly installed PDF viewer will allow you to change the default viewer. The reason why you want to change the default PDF viewer on mac is mainly for that you have other PDF viewers installed or will be installed on your mac. Change Default PDF Viewer when Installing a New PDF Viewer In effect, it is quite easy to change the default PDF viewer on mac, here we list 3 methods to make this, no matter you want to change default PDF viewer to Preview, Adobe or other PDF readers for Mac. There are so many options on a PDF reader, then how to change the default PDF viewer to our preferred one on mac? It is a commonsense understanding that we all need a PDF viewer to open and view a PDF file.
Therefore, people, especially office people use PDF very often.
PDF has greatly expanded the boundaries of digital documents that swell today, it brings us a much more innovative way to present our ideas.
