How to create an RSS feed using your Joomla content
Log into Joomla admin panel.
RSS feeds enable you to provide an up-to-the-minute list of all the articles on Joomla website.
The list is in a specific format that many other software programs and websites, even Joomla websites.
Click Extensions – Module manager. Click on New button. Scroll down and select Syndicate option. Click on Next button at top right.
Enter details and parameters. Click on Save button, when done.
RSS module will appear on the front end. You can go to your website to see it.