How to change the opening for bank, cash, sales

1

Anyone can teach me how to change opening date for my bank, cash and sales opening. Cos I found that system always show me the opening date as 01/05/2015 and also filter out all my sales transaction before 01/05/2015. So, anyone can advise me?

2

Have a look at Manager Cloud

3

Thanks, my Problem was solved.

4