@emmanuel-parcelh 

If you are using QBO Ireland version or other non-US version, you will need a migration tool. i.e TPExporter for Online, TPImporter for Desktop.

https://transactionpro.grsm.io/qbd

Another option if you are using QBO, company has acquired an inventory management app as part of the family. 

https:// go.tradegecko.com/register?code=fiat-lux