To use the Multi-Currency feature in Tally, first enable the feature by going to Gateway of Tally > F11: Accounting Features and setting ‘Allow Multi-Currency’ to ‘Yes’. Then create currencies and specify the rate of exchange for each currency. Finally, when entering voucher entries, select the currency and enter the rate of exchange. The Multi-Currency feature also allows you to adjust Forex Gain/Loss to generate an accurate Profit/Loss account statement.