Whether you have been an Aatrix customer for years or just a few days, the Aatrix Welcome page has tons of great resources to help get the most out of your Aatrix eFile Account. Aatrix provides a series of instructional videos to help customers set up their eFile Account and start filing all required State and Federal payroll tax reports. Videos include help with enrollment, filing Unemployment, Wage Withholding, and New Hire reports, as well as year-end reports including W-2s, 1099s, and ACA re…