Hi Barb,
QuickBooks POS does not sync with QBO out of the box. You will need a 3rd party app.
Our AFE (Ability Financial Exchange) sync tool connects the two platforms.
https://abilitybusiness.com/compare-ability-financial-exchange-features/
Here is a blog as well: https://abilitybusiness.com/sync-quickbooks-pos-with-quickbooks-online/
