Hi Adolfo,
in this situation I think you have 2 options, if I’m wrong please let someone to correct me.
With first option you can store the items in a PE and then delete them after you exported Excel
Second option I will say is to build your own Excel export with a java action.
Maybe third one, not sure is it relevant but to use datagrid, I think it can export NP to excel.
I hope this can help you.
Kind regards,
Domagoj
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