On the User Menu, click Forums
Accessing Forums from your profile page will display the forums that you belong to and are following.
Clicking on Topics Started will display all forums in groups that you have added. Each topic listed will display the name of the topic, how many people are on the forum, how many posts and the last time a post was added to the forum.
Under Replies Created, a list of replies that you have added to different forums. Clicking on the number in the top right-hand corner of the post will bring you to the location of the forum.
Favorites will display all of the forums that you have favorited. Clicking on the topic name will open the forum where it appears in the Commons.