The Accounts dropdown lists your balance accounts, grouped by type: Cash and Bank, Money in Transit, Inventory, Property, Plant, Equipment, Vendor Prepayments and Vendor Credits, Other Short-Term/Long-Term Asset, Credit Card, Loan and Line of Credit, Due to You and Other Business Owners, Customer Prepayments and Customer Credits, Other Short-Term/Long-Term Liability and Business Owner Contribution and Drawing. Connected bank accounts appear with their currency and masked number, e.g. Checking (USD, 1234). Income and expense categories are not accounts – they go in the Category field. If an account has no currency Sprwt refuses the save with Invalid account currency !.