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Aatrix Payroll and Mac OS 10.15 Catalina »

Read about Aatrix Payroll compatibility with the Mac OS Catalina

eFile OS Requirement »

Read about Aatrix Payroll and what Mac OS is required to eFile

"OS Not Optimized" Message »

Read about Aatrix Payroll compatibility with the Mac OS

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Checkforms

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Employee Information

Learn how to add, maintain, update, and correct employee info and lists.

Error Messages

Read about the common error messages and how to troubleshoot and correct them.

Processing Payroll

Read on everything you need to know about processing payrolls including paychecks, tax tables, and calculations.

eFile

Read our guides and general information about eFiling with Aatrix.