QuickBooks is one of the most famous accounting software. This software has many advantages but sometimes it also faces technical glitches QuickBooks Error 6000 80 is one of them. This error occurs when users try to open the QB Company File and QuickBooks is unable to access the company file. In our linked article we mentioned all the possible ways to fix this issue. If you have any other doubt related to QB you can contact our customer support number – 855-948-3651.