You can't subscribe to a SharePoint Online RSS feed and track it in the Feeds section of Internet Explorer

When you try to subscribe to a Really Simple Syndication (RSS)�feed from a Microsoft Office 365 SharePoint Online site and�track the feed in the Feeds section of Internet Explorer, you may experience one of the following symptoms:�

• You�are prompted to open the feed by using Microsoft Outlook.
• You receive the following error message in Internet Explorer:
  The webpage cannot be displayed.
  
  Most likely cause:

  Some content or files on this webpage require a program that you don�t have installed.

Note In this scenario, the link that you click to subscribe to the feed begins with feeds:// and not https://. Additionally, the symptoms that are mentioned in this article may vary from those that you experience if you have an RSS reader installed on your system.�

To resolve this issue, take one of the following actions:�

• If you're prompted to open the RSS feed in Outlook,�track the feed by using Outlook.
• In Internet Explorer, create a favorite to the feed page where the subscribe link exists.

These issues occur after you receive the latest SharePoint Online service update.