Если знаете букву, на которую начинается нужное расширение - выберите ее.

.QB2012 расширение

Расширение формат файла «.qb2012»
Тип файла QuickBooks 2012 File
Разработчик Intuit
Категория Файлы данных

Описание формата файла

File created by the Mac version of QuickBooks money management software; can include company financial data, payroll information, and customer and employee data; often used for tracking small business finances; can be used for generating tax forms, invoices, payroll, and financial reports.

If you wish to migrate QuickBooks 2012 data to a Windows version of QuickBooks, export the file as a .QBB file by choosing File в†’ Back Up to QuickBooks for Windows... and then import the QBB file into the Windows version of the software by choosing File в†’ Open or Restore Company.

NOTE: Previous versions of QuickBooks for Mac use the extensions .QB2011, .QB2010, etc. However, these extensions are considered legacy since the QuickBooks 2012 release.

Программы, которыми можно открыть файл .QB2012

MacOS
Intuit QuickBooks Mac 2012 Описание