How to reconnect your QuickBooks Online, Log into your ConnectBooks account, on the left menu column, click on Manage Stores. On the store page click "Connect to QuickBooks". Related ArticlesConnecting/linking your Connectbooks account to Quickbooks DesktopConnecting/linking your Connectbooks account to Quickbooks onlinePreparing Your Quickbooks OnlineQuickBooks SettingsHow to Map Products in Bulk Using Excel - Prefilled Sheet