BW Workspaces Analysis for Office - Reload data

Hi Experts!

I've created a BW Workspaces and loaded local data through Analysis for Office.

Now I want to append rows to the local data. I know we can manage that through NWBC and Workspace Designer.

I wonder if there is a way to do so just via analysis for office.

I've tried with 'reload' button, but it just overwrites existent local data. What we want is to append new rows to an existent local provider, without creating a new one.

Could anybody help us?

Thank you so much and best regards,

Nadia.