To mute tabs in older versions of Microsoft Edge, you need to adjust the sound settings on Windows. Mute individual browser tabs in Microsoft Edge. You can right-click on any tab and select “Silent Tab” or just left-click on the speaker icon that appears on the right side of the tape. Click on the tab to turn the sound on and off. While the currently active tab is playing sound, a speaker icon will appear in Safari’s location bar. In Safari on Mac, you can mute a tab in a number of different ways. Mute individual browser tabs in Apple Safari. You can also left-click on the speaker icon to turn the sound on and off for this tab. You can mute a tab prematurely before you start making noise. Like Chrome, it’s easy to find out which browser tab is making the noise – just look for the speaker icon.