There are several possibilities.
Data Flow 2 & Data Sharing
These tools are dedicated to doing massive data exports. You will find further information about these tools in our help center (here and here) or by contacting your account manager.
Data Query enables you to export a larger number of rows at once than the API. Depending on the options you have activated, the upper limit can vary between 200 000 rows, 1 000 000 rows, and unlimited rows.