Ναι Μιχαλη πολυ καλα καταλαβες και αυτο θα δουλεψει 100%.

"It may seem convoluted to do it this way, but you can use the Mozilla Thunderbird email client to import Outlook or Outlook Express email. Since Thunderbird stores email in the universally readable MBOX format, you'll have no trouble moving its data files over to GNU/Linux. And if you like Thunderbird, you can stick with it when you move to your new operating system."

Δες λιγο εδω: http://www.softwareinreview.com/cms/content/view/29/