Export List/Document librar Nintex Workflow from NWAdmin command line
To export list or document library nintex workflow using NWAdmin command: NWAdmin.exe -o ExportWorkflow -siteUrl "http://sv01appmoss01:1997/sites/siteCollection" -workflowName "WF Name" -filename "C:\test.nwf" -list "Shared Documents" -username "username" -password "12345" -domain "domainname" -workflowtype list