What is OPML file?
OPML is simply a list of RSS feeds you are subscribing - there is no magic here. Just a nice list which you can use when you are changing your RSS reader or would like to share it with your friends.
We are using it to compare what you are subscribing with what your friends subscribing.
How to get OPML file?
It quite easy but different in different rss readers. We have made short tutorials how to do that in:
If you still need help - please contact us.