Contacts on your Windows Phone 7 are backed up to your Windows Live account.
To sync your existing contacts to your new Windows Live account, follow these steps:
- Import contacts from SIM to phone.
- Sync contacts from other accounts such as Facebook, LinkedIn, additional email accounts.
- Confirm that all account contacts have synced and are able to be viewed within the People Live tile. The process may take several minutes to fully sync.
- Once confirmed, swipe left and scroll to settings.
- Tap email and accounts.
- Press and hold windows live.
- Tap sync.