About OPML : What is OPML and how to import/export Podcast Channels via OPML files?
Go to [File], [Import Podcast Channel], then select [OPML File].
Select a target OPML/XML file, click on [Open] to import.
Go to [File], [Import Podcast Channel], then select [OPML URL].
Input OPML URL and select [Next].
Select a folder and click on [OK].
Go to [File] and then [Export Podcast Channel].
Choose an export options.
Select destination, enter a file name and click on [Save].