You couldn't turn it off. You may migrate all data between QBO accounts by using the 3rd party tool.
https://transactionpro.grsm.io/qbo
Once you are ready to proceed, open a NEW QBO account with current discounted plan. You may get current discounted price for up to 6 months.
https://quickbooks.grsm.io/US
https://quickbooks.grsm.io/us-promo
@yvonne10
Unfortunately, you can't turn off multi-currency now.
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