Also where you open data source?
oWord.ActiveDocument.MailMerge.OpenDataSource()


>Hello Luis,
>
>sorry, but I did not mention, that this test program works. But the same code within my app has the effect, that the data source goes away, as soon as I load the template in Word with oword.Documents.Add(lcVorlag)
>
>Gerhard Schmidbauer
>
>>Hi Gerhard:
>>
>>In both cases (development and production) are you using the same logged-user? Could you show us part of your code? More important is how you generate the filenames and how you perform the merge.
>>
>>Luis
>>
>>
>>>Thank you Tore,
>>>
>>>I do use full pathes already. Seems to be something else.
>>>
>>>Gerhard Schmidbauer
>>>