Opening balance is balance brought forward from end of an financial year to start of an financial year or the amount of funds in an company’s account at the beginning of an financial year.
You can manage your Opening Balance under Accounting → Opening Balances
Provide the opening balance date if you open a new financial accounting year of Accounts.
Click Add Account button to Start entering the accounts.
Provide the Credit and Debit value and hit Save.
How to add previous year transactions in the new financial year’s account?
If there is transactions in previous year, Click the financial year from which you want to import the transaction from the drop down. Then select the Reimport button at the top right corner and click on it. It will import last year transactions to Current year opening balance.