Payroll Sage 100 Contractor

In need of a better system to do our payroll. We are currently using About Time AKA WorkMax. They are SLOW and mess up all the time. My filed guys hate this system and complain every day. There is an issue every week. Most of the time it kicks them out at the job phase. Does anyone know if we can create our own Excel spreadsheet to keep track of time and import it in to sage payroll portions?