In order to connect your Teachworks account to QuickBooks Online, follow these steps:
Click on "Account & Settings" and then click on "Integrations & Add-ons".
Click on the "Settings" under the QuickBooks Integration.
On the QuickBooks Settings page, click on the "Connect to QuickBooks" button.
A window will open prompting you to connect your QuickBooks account to Teachworks. (If you aren't already logged in to your QuickBooks account, you will need to log in first).
Click the button to connect your QuickBooks account to Teachworks.
Once connected you'll be ready to save your sync settings.