Quickbooks integration solutions for nopCommerce version 1.0 named Quickbooks Connection has been renamed Quickbooks Adaptor in version 2.0. Quickbooks Adaptor will be a general adaptor for many ecommerce solutions to import data into Quickbooks.
Quickbooks Adaptor (QA) version 2 supports nopCommerce 1.60 and later BigCommerce. There are several new features in version 2.0 :

• Quick (10 mins) and Easy install with Setup scripts for Quickbooks Web Connector to get Quickbooks ready for nopCommerce, eliminating complicated manual setup steps as in version 1.0
• Installation video illustration
• Minimum appSettings entries in Web.Config
• Transfer inventory Items, Customers, Orders
• Many bugs fixed and smart logic improved.
• Transfer inventory items in nopCommerce to Quickbooks
• Transfer new orders automatically or on-demand from nopCommerce web store to Quickbooks.
• New customers and new invoices will be created in Quickbooks file.
• Reduce labors and time for re-data entry.
• Avoid typo errors.
• Response quickly to customer's orders.
• Speed up order processing.
• Work 24/7 as a web service.
• Work on SSL connection only.
• Support Quicbooks version 2008 and later.

Installation Part 1

Installation Part 2

Installation Part 3