If you are attempting to write to a Url then use separate FILENAME statements for your source and destination that includes the url with the specific file to read and write.   I don't use Dropbox but I think something like   filename dropin url " https://www.dropbox.com/path/your source file name     Email='n*******s@***.com' Pass='**********' prompt ";   filename dropout url " https://www.dropbox.com/path/your output file name     Email='n*******s@***.com' Pass='**********' prompt ";   may be close. An entire connections string may need to be inside the quotes to send to the server. You should get a response in the log if the fileref can't be created and so can play around.   Use the dropout fileref instead of explicit file in the Proc export: Outfile= dropout ... View more