Microsoft Edge browser is not only the default browser in Windows 10, it is also the default PDF Reader (read: How to Change the Default PDF Viewer in Windows 10), other than that, Cortana has also integrated into it . There are some privacy issues you should be aware of: Edge sends your browser history to Microsoft. If you’re all reasons to block Edge browser in Windows 10, freeware and portable Edge blocker is all you need.
To avoid Edge without using any third-party, you first need to set another browser as default, and other app or web app as PDF Reader. Still, Edge is deeply integrated into new Windows.
To block Edgeso that ‘it won’t load even if you or an app tries to launch’, run simple interfaced Edge blocker and click on ‘Block’. To unblock Edge, run the app again and click on ‘Unblock’.