Integration 
Web Dynpro ABAP provides functions for integration in and with various technologies:
Office Integration
BI Integration
FileUpload and FileDownload or File Export
In the View Designer, Category Integration is provided for relevant UI elements. These UI elements are frequently based on the Active Component Framework (ACF).
Caution
Combinations of classic SAP GUI technologies and Web Dynpro ABAP is not supported. See also SAP Note 1098009.
End of the caution.