Hello there, @lmiralles22.
If you're using Connect to Square, the app will enter "Square item" for product and service names for the imported transactions by default.
Let's make sure that when you import sale receipts, the name of the items on those entries should be similar to the ones in QuickBooks to update the quantity.
You can also import products and services from CSV to QuickBooks. For detailed information, refer to this link: Format CSV files in Excel to get bank transactions into QuickBooks.
You can visit this article to know how to get transactions from your bank and import them into QuickBooks Online: Manually upload transactions into QuickBooks Online.
The Community always welcomes you for further inquiries with regard to importing data. Have a great day ahead!
