You cannot change the currency setting of an existing bank account.

You will have to create new USD bank account, migrate the existing balance into it, then de-activate the old one.

I suggest you set an account number for the new account immediately next to the old one, and use the same […]

Resolution for 'account currency issue: 'How to change bank account currency?' available: Yes.

The account currency issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the account currency issue yourself by looking for a resolution described in the article. If it is a complex account currency issue or you are unable to solve the issue, you may contact us by clicking here or by using other account currency support options.

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