HammerZen easily integrates with the following QuickBooks Desktop version:
If you use an older version of QuickBooks, your business may be affected starting May 31. QuickBooks provides customer support and add-on services (i.e. payroll, bill pay, online banking, etc.) for the current versions of the software (i.e. Pro, Premier, Enterprise Solutions, etc.) and the two previous versions (the two prior years).
| QuickBooks Pro Desktop | 2015 version and the most current |
| QuickBooks Premier Desktop | 2015 version and the most current |
| QuickBooks Accountant Desktop | 2015 version and the most current |
| QuickBooks Enterprise Desktop | 15.0 version and the most current |