Is it mandatory that customer name should be unique ? Cause we have many customers with same name but different mail Id. Or can we map email Id to Name field ?

I hope you're doing fine, faissal.

It seems like you've posted twice in this forum. My colleague already shared some information about your concern. Please check out this link to view the details: https://quickbooks.intuit.com/learn-support/global/importing-and-exporting-data/can-i-know-the-procedure-to-remove-all-objects-from-quickbook/00/613080

If you still have other questions, please let us know anytime. The Community is always here to help. Keep safe.