You can save your backup archives directly to CD, DVD or Blu-ray discs. Get Backup allows you to use the disc burning capabilities provided by macOS.
To burn a backup archive using Mac OS capabilities:
Choose the CD/DVD/Blu-ray drive in the Backup destination drop-down menu in the backup project properties.
Insert a blank, recordable disc into the drive.
Click the Start button or choose Backup > Start Backup in the menu.
Click the Burn button to start burning.
If you have inserted a rewritable disc, the program can ask you to erase it before burning your backup.
To access more options, click the button in the top right corner.
Here you can select the Leave disc appendable check box to be able to add more files if there is enough free space on the disc. Note that only appendable (multisession) discs are supported.
CD, DVD or Blu-ray discs can be used for incremental or full backups.
You should remember that the software requires some extra space on the system hard disk for temporary files.
Multi-Volume Archives
If your backup archive requires more space than one disc provides, you can burn it onto several disks. Select the disc capacity in the Archive size pop-up menu in the project Properties dialog. The program will split the archive into several parts. Then these parts will be merged when you restore files.