[HelpDesk] Helpdesk question via web

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Form data:
  Name: Chris
  EMail: houckola at comcast.net
  OS: Windows XP
  UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)
  IP: 68.58.235.170
  Time: Tue Aug  7 21:36:00 2007

I got a new computer, and am trying to open old models that I saved to a disk.  How can I get them to open in the MLCad?