You can group your forum topics in the respective category. This becomes easier to sort, view and reply to forum posts.
In Projects, select the required project, and then click Forums. Click the Add Category link on the right side to create a new category.
You can organize topics belonging to a particular category in different folders.
In Projects, select the required project, and then click Forums. Hover the mouse over the required category in Categories on the right side to enable the Edit Category and Delete Category link. You can now choose to edit or delete your category. When you delete a category all it's associated forum topics and comments are also deleted.