RSS list in the main toolbar to open an RSS feed.You can edit the parameters of an RSS feed from the Feed Viewer panel. For RSS feeds you can edit almost all search parameters. You cannot edit the URL of an RSS feed.
You cannot use a mobile device to edit an RSS feed.
1.Use the RSS list in the main toolbar to open an RSS feed.
The selected RSS feed opens in the Feed Viewer panel.
2.In the toolbar, click or tap the 
Configure icon.
The Edit RSS feed settings open.
3.In the Name box, enter a name for the RSS feed.
4.Select the Enabled check box to enable the feed and make it available to all users. Clear the Enabled check box to disable the feed for all users.
5.In the Purge After box, enter the amount of time after which to delete old content from the feed.
The purge after time must be greater than or equal to 15 minutes and less than or equal to 60 days.
6.Use the list to the right of the Purge After box to select the time unit (Days, Hours, or Minutes) for the time entered in the Purge After box.
7.After completing the required feed parameter edits, click Save.
The Feeds tab of the Accounts and Feeds panel opens.
8.Click OK to return to the Feed Viewer panel.
The Feed Viewer panel updates to display content based on the edited feed.