I started to work on this UDF and I'd like to discuss, test and improve it with other interested users. The idea is to create a UDF similar to FTPEx, but to support SFTP protocol. Given that this protocol is not natively supported by Windows, I found some candidates to manage it: cURL: http://curl.haxx.se/ PSFTP: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html FZSFTP: http://filezilla-project.org/ I'm trying to use the second one (realied by PuTTY team) and the result is t