For Lync Web App to work correctly, you need to enable cookies in your browser. Here's how to enable cookies if your browser is blocking them: Edge (Windows 10)

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

Microsoft Edge allows you to block cookies from a specific site however doing this might prevent some pages from displaying correctly, or you might get a message from a site letting you know that you need to allow cookies to view that site.

Open Edge browser, select Settings and more in the upper-right corner of your browser window.

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

Microsoft Edge is designed to detect and block known trackers. We let you decide what trackers to block. You can choose from three levels of tracking prevention: Basic, Balanced, and Strict.

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.

Choose the required access permission for the selected extension: When you click the extension: This setting only allows the extension to access the current site in the open tab or window when you click the extension.If you close the tab or window, you’ll have to click the extension to turn it on again.