Netsuite all objects

The requirement is to retrieve all objects/tables in netsuite and then get whole data from each objects individually. How it can be achieved in netsuite? Please help.

See the NetSuite help section: [Account Administration][CSV Imports][Additional Import and Export Options][Extracting Data from NetSuite]

can you pls share the links that can advice to receive all existing objects in netsuite and get all records in one object?

NetSuite’s help docs don’t have publicly available URLs. You have to log into your NetSuite account and go to the page I just told you about.