Nokia confirmed that Nokia discontinuing access to the OviContacts from web after january 24 2012.Contacts on your nokia mobile phone will not be affected with this change.It will work seamlessly.Also syncing and backup of data will continue normally.You can also export your synced contacts to your PC or laptop even after discontinuing web access to Contacts.
Visit contactsui.ovi.com from your personal computer.
Login to your Ovi account.
Click the Download Now button in export contacts section
Save the file to your local drive (take a note of the folder you put it in).
Click on the file to review and access your data file
Your contact data is in .csv format.
Once you have selected an alternate contact service, follow their import instructions.
When you asked to select a file for import, select to your Ovi Contact data file.