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 the discussion's menu and select Delete. You can delete an entire discussion along with all responses and replies.
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
From the pull down menu select View Grade Details. 4. On the screen that appears, find the submission near the bottom of the screen. To the right of the entry, click the button labeled Clear Attempt.