How to Reconnect QuickBooks Sync by Bold App?
How do I re-establish the connection between my Shopify store and my QuickBooks Online account using the QuickBooks Sync by Bold app?
To reconnect your QuickBooks Sync by Bold app:
Log in to your Shopify admin and go to the Apps section.
Select QuickBooks Sync from your list of installed apps.
Click "Connect now" to reconnect your QuickBooks organization.