You can overwrite the data for products and services with incorrect quantities, benirodriguez18.
To do this, import the same file again. On the Batch-import products and services page, tick the box that says Check this box to overwrite details of existing items with the same name and category, then click Save.
Please make sure that all details in the table are accurate, as this process can't be undone.
You can also check out this article for FAQs regarding data importation: Common questions about importing data to QuickBooks Online.
Let us know if you need anything else. The Community team is here to help.
