Editing and deleting discussion posts You can edit or delete your own posts only if your instructor has made those options available to you. You cannot edit or delete others' posts. If you post a message in error and the option to delete it is not available to you, contact your instructor.
To Delete Old Posts:Enter Blackboard and open the course.Edit Mode - On.Open the Discussion Board.Find a Forum that has posts. Open the forum.Click the top left checkbox to select all the threads.Optional: Uncheck any message to be kept.Click Delete to remove the student posts.
Open a forum and select a thread. On the thread's page, point to a post so that all of the functions appear and select Edit. The editor appears. Make edits while you view the original post.