First of all thank you very much for the help. To do that with innerjoins is a solution, but still a little too complicated to me. Nevertheless, many thanks.
At another point in the forum has karl pover me on an idea to try it with macros. Here is a trivial example as I have now made it and it works just fine. There are only 4 lines of codes. sub selectedReducing ActiveDocument.Fields (SAL_Werbetraeger_Name"). Select"alpin.de " ActiveDocument.ReduceData end sub