Import Submissions

There was a conference, and all submissions were sent by e-mails, out of OCS (I mean OCS was’t used). Now I would like to import all those submissions into OCS, in order to do the peer review step and use all the others workflows OCS has. Is it possible?

I was thinking about using the import/export submissions plugin. So I made the following test: I exported some submissions from a preview OCS conference and tried to import it into a new conference. I got a sucessful message. But now I can’t find those submissions on the new conference. It seems it wasn’t imported at all.

Can this plugin help me? What is this plugin intended for? Did I do something wrong?