From your Dashboard, open up the Project that you want to link to Quickbooks. Click "QB Actions"

If you know the customer already exists within Quickbooks, choose "Select Customer," otherwise click "Create Customer." This will create a new customer in your Quickbooks account.

Select the Followup contact you would like to create in Quickbooks.

Click "Create Project in Quickbooks." You will now be redirected to your Quickbooks account where you can manually create a Project and link this new customer.

Click "New project" within your Quickbooks account.

After typing in a name, choose the customer you just created from Followup.

Return to Followup and refresh the Project page.

After refreshing the page, click "Link to Quickbooks" from the "QB actions" menu.

Click to find your newly created project within Quickbooks.

All set! Your Followup project and your Quickbooks project are now linked.

How to Create and Link a Project in Quickbooks