You can only migrate QBES US version to QBO US version, and QBES CA version to QBO CA version. You may have 2 options to migrate QBES US/CA version to QBO UAE version 

https://quickbooks.grsm.io/Arab-Emirates

1. Utilize a 3rd party tool for self migrate. i.e TP Exporter for Desktop, TP Importer for Online

https://transactionpro.grsm.io/qbo

2. Purchase a 3rd party conversion service