Before installing this Nero 9 software I have work on the Nero 6 and for the better result I installed this Nero 9 version. Now I need to add some files on the previously made DVD. I had made this disk using the Nero 6. I haven’t got any option that help to do this task. I read some article and they suggest me to use the multisession in this Nero 9 for doing this task. I haven’t knowledge about this. If anyone having knowledge, then please suggest me. Thanks in advance.