If you head to Sales > Tasks, you can view all tasks currently assigned to a specific user (Assignee dropdown):
From that filtered view, you can bulk edit/reassign tasks. Any tasks that are no longer needed can be deleted/checked off, and any tasks that still need to be completed can be reassigned accordingly.
If you head to Sales > Tasks, you can view all tasks currently assigned to a specific user (Assignee dropdown):
From that filtered view, you can bulk edit/reassign tasks. Any tasks that are no longer needed can be deleted/checked off, and any tasks that still need to be completed can be reassigned accordingly.