RSS for Desktops
Safari: This browser is unable to display RSS feeds; however, you can search the App store for extensions to manage RSS feeds.
Firefox: As of December 2018, Firefox's built-in feed reader and Live Bookmarks were removed, starting with Firefox version 64. For alternatives, see Feed reader replacements for Firefox.
Chrome: There is no built in RSS feed reader but you can use a Chrome RSS feed reader extension like this one offered by Feeder.
Outlook: You can add RSS feeds to your Outlook Mail account using these instructions.