There are 3 ways to restore the old backup files from Nero BackItUp:

  • The recommended way is: Restore the backups with the Nero version you made the backup files.
  • The optional way 1: Open the *.nco file with the free 7-zip tool.
  • The optional way 2: Restore the *.nba and *.nda files with the latest Nero BackItUp.


Check out details from Nero KnowHow.