QuickBooks Pro, Premier, and Enterprise Solutions make use of the following file types:
File Types for Common User Tasks:
File Types for Backing Up, Importing/Exporting, and Exchanging Data:
File Types for Working With An Accountant:
The information contained in the tables in this article is also available as a downloadable PDF of QuickBooks file types.
i cannot open a .qbx file. everytime i tried to open it, the accountant’s copy drop don menu is inactivated.
The accountant’s copy drop down is only available in the versions of QB targeted at accountants. In prior years, QB Accountants Edition was 1 of the installation options for QB Premier. For 2012, it’s now a separate product called QB Accountant. QB Pro users would not be able to use the features you’re trying to access.