Short description of Schedule Multiple Shifts Automatically 7.11: Excel spreadsheet automatically assigns up to 50 people to up to 10 shifts per day in response to your scheduling needs and your employee's preferences and qualifications. The program automatically assigns days off, creates schedules for up to a month and comes in sizes for up to 20 shifts and 500 employees. It also creates a vCalendar file to transfer schedules to your PDA, Smart Phone and Outlook Calendar.