How to restore old *.NBA files to a Video or DVD?

I have some old videobackupfiles on a harddrive with all the old familyvideos on. I have since I created those files lost the burned dvd:s (by mistake) and also changed the computer. The files are ****.nba. I Think that I used some Nero software that was bundled to my old PC. Can any one advise me what software I should use/buy ror be able to restore the videos to DVD or my new Media Server NAS.
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