In this video I show an example of extracting tables with tens of thousands of entries like BKPF in batches and recombine the results in Excel.
Link to the Excel document:
https://drive.google.com/file/d/0Bw1X...
All my GUI scripting files on Github (in case you cannot access the above link):
https://github.com/nygma2004/km/tree/...