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.
Delete discussion topics, responses, and replies Students can delete only their own discussions, responses, and replies. Students can't edit their discussion titles after they create discussions. Open the menu for a response or reply to access the Edit and Delete functions.
On the Discussions List page, click the context menu of the forum, topic, thread or post you want to delete and click Delete, Delete Thread, or Delete Post. To confirm the deletion, click Yes.
Select Clear Attempt in the bottom right of the page. 5. Blackboard will issue a warning message reminding you that the submission cannot be recovered. Click OK to delete the attempt.Jul 17, 2018