Usualy you contact passport support with the following information for their inverstigation
quote:
1. The first and last name :
2. The sign-in name you are having difficulties with :
3. Your date of birth in the form "month/date/year" :
4. Your country or region :
5. Your state :
6. Your Zip Code or Postal Code :
7. The approximate date of the last time you successfully signed in :
8. The exact Microsoft Passport Network site you last visited on your last successful sign-in:
9. The approximate date you registered the account:
10. A list of as many of the former passwords you used with the account as you can remember :
11. A list of as many of your folders in the account as you can remember :
12. The name of your current Internet service provider and any past Internet service providers you have used :
13. The name of the organization that you access the Internet from, if you
access the Internet from outside your home ,
14. A list of as many former secret questions and answers for the account
as you can remember: answer:
15. The IP address for each computer that you use for the account:
* Please be advised that an IP address is a code made up of numbers
separated by three dots that identifies a particular computer on the
Internet (Example: 222.222.22.0). You can determine your IP address for
each
computer by visiting http://www.whatismyip.com/ . and hand here some
contacts i message them
Some emails u have in ur contact list:
this is the only way to retreive your pass if you didn't have an alternate email option, secret question /answer, or billing info, however take note that these info should match what you had in your profile.
regards