Yes, you can migrate your Desktop 2010 backup file to QuickBooks Online (QBO) only if both the Desktop file and the QBO account are in the same country or region, Nawaz.
For example, you cannot move a US QuickBooks Desktop file to a Canadian QBO account. For more details, refer to this article from the US region — this also applies to other regions: Move your QuickBooks Desktop file to QuickBooks Online.
We don't have a contact centre email address, however, if you would like assistance with the migration process, you can contact our Live Support team. For Live Support hours, refer to this resource: Get help with QuickBooks products and services.
Let us know if you have any further questions or need assistance with QuickBooks. The Community is available 24/7 to help.
