hatmancan

hi all new here.i had just recently had to reinstall outlook 2007. my problem is the following. i have a file on my computer i am trying to get back all my emails and contacts from a previous outlook. when i hit open with i get the following error message. The command line argument is not valid.Verify the switch you are using. the file i beleive is an outlook 2003 file. i also tried imprting but this won't work either. i need help as all my info is in this file ty hatmancan