Have you tried to export contacts from your Hotmail account using (.CSV) file?

If no, here are the steps to export contacts from your Hotmail account:

1. Sign in to your Windows Live Hotmail account.
2. At the top of your Windows Live Hotmail page, point your cursor to Hotmail.
3. From the drop down menu, click Contacts.
4. Click the Manage link that is located beside Send e-mail.
5. From the drop down menu select Export.
6. Enter the 8 characters from the picture.
7. Click Export button.
8. Save the file to your preferred location.

After exporting contacts from your Hotmail account, you can now import the contacts to other account.