There is no inbuilt website block feature on Microsoft Edge browser. However, to block a website on Edge, you can use focalfilter. Download and install the app on your Windows PC. Click on ‘Edit My Site List‘ and add all the websites which you want to block.How do I enable adblocker on Microsoft Edge?
Open Microsoft Edge on Android, iPhone, or iPad. Tap the menu (three-dot) button at the bottom-right corner. Tap on Settings. Tab on Content blockers. Turn on the Block ads toggle switch. Enable AdBlocker Plus on Microsoft Edge for Android and iOS.