Odoo Accounting software manages multi-currency operations by letting you set a base currency while recording transactions in any foreign currency. When you create invoices or bills, you select the transaction currency, and Odoo automatically applies the current exchange rate. Odoo Accounting features include daily exchange rate updates and realized/unrealized gain calculations at month-end. For Odoo Accounting GST implications, the system handles currency conversion for tax calculations properly. At reconciliation, you can match payments made in different currencies against invoices, with Odoo posting the exchange difference entries automatically.