Search Our Knowledgebase (Mac)
Learn how to install and run Aatrix Top Pay / Ultimate / Paycheck on your Mac.
Learn how to get started with the program by setting up a "New Company".
Read on how to upgrade to newer versions / re-install our software.
Read on what to do when moving your payroll program and database backup to a new computer.
Learn how to troubleshoot this error.
FAQ: Can the program be installed on a server or have multiple users that access the same database?