You can split tasks into schedule items in the following ways:
When you add task schedule items on the Schedule tab of the Task dialog box, they automatically appear on the Scheduler view.
To split your task into schedule items in the Task dialog box
When you drag task from the Tasks pane to the Scheduler view, its schedule item automatically appears in the Schedule tab.
To split the task into multiple schedule items on the Scheduler view
Note When you resize or drag your task schedule items on the Scheduler view, their start and finish date & time changes automatically on the Schedule tab of the Task dialog box.
Tip You can set recurrence for each of task schedule items.set-
Tip You can set reminder to be notified of task schedule item before or after its Start and Finish Date & Time.