On the Grade History page, you can view all grade actions for test/assignments
1) Grade Center >> Click 'Full Grade Center'
2) Click the drop-down button next to the Test/Assignment name >> Click 'View Grade History'
3) Show Entries from Past: Set the period you want to view and click 'Go'
If you set the period from 3), you can view the grade history at the bottom immediately
5) Check the options and click 'Submit'
※ When blackboard manager appears on the final editor's column
a. When a student did not finish a test but automatically submitted
b. When a student is deleted from a certain course and the grade attempt for the item is deleted