What is QuickBooks Online (QBO)? 

 QuickBooks Online is an accounting software package developed and marketed by Intuit. QuickBooks products are geared mainly toward small and medium sized businesses offering a cloud based version that accept business payments, manage and pay bills, and payroll functions.  

Cloud computing and storage solutions provide users and enterprises with various capabilities to store and process their data in third-party data centers that may be located anywhere in the world.

Refer:  
intuit.com.au