The service was originally developed by Nokia but was subsequently taken over by Microsoft Mobile.

[6][7] Nokia Suite does not have a lot of the features provided in Nokia PC Suite, such as organizing contacts by phone number or exporting into CSV format.

Nokia Suite can perform a complete backup of the phone contents to a single file with .nbu filename extension.

The only official way to gain access to the contents of the backup is to restore it to the phone using Nokia Suite.

However, there are third-party programs that can read these files with some success such as the shareware Noki.