The ListSFTP processor does not actually do anything with the file, it just builds a list of files that exist. Typically this would then feed into a GetSFTP processor.    In the GetSFTP processor you can configure whether the original should be deleted, by default this would indeed happen.   https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.5.0/org.apache.nifi.processors.standard.GetSFTP/index.html ... View more