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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

Related Categories:

Error Messages

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

Software Updates

View notes on the latest software updates from Aatrix

W-2 Processing

Read our guides and general information about W-2 Processing.

Liability Payments

Read our guides and general information about Liability Payments

Year-End

Read our guides, instructions, and frequently asked Year-End questions.