This information is used to create the Woocommerce qwc file to connect QuickBooks to your website. after you information is verified with the tech you will be sent a Woocommerce qwc file. What do I do after I download the qwc file? the tech will supply this to you After you've downloaded the Woocommerce qwc file to connect QuickBooks to your website, open up the QuickBooks Web Connector application from your computer. Then click the Add Application button in the QuickBooks Web Connector and select the qwc file that you just downloaded. Once the Web Connector loads your file, your website will start syncing with QuickBooks. After the website verifies that it has a connection to QuickBooks the rest of the setup fields will become enabled.