Employee Scheduler for Excel and OpenOffice - Version 2.1 The Employee Scheduler is an affordable spreadsheet to help you schedule hourly employees and manage your labor costs as a percentage of sales. (Requires Microsoft Excel or OpenOffice to run). This spreadsheet is right for business owners and managers who have simple needs and who want an inexpensive tool to help them make schedules. Typically, it is right for business that schedule fewer than 25 employees on a weekly basis.