It is important to keep your business information current as this is used for generating invoices and performing other tasks and functions.
To update your business name and ABN go to Setup >> Configuration> Business Info.
To update your business address go to Setup>> Configuration>> Locations.
To update your business contact details go to Setup>> Subscription on the Billing Details page update the information which includes: email, business mailing address, telephone and fax number. These are the details which will be used for your Power Diary invoices (not on your invoices to clients). The email address that you list here will be the email address that we use for all account contact.