Alcohol 120% can burn your files to a DVD or CD disc.
If youre unwilling to pay for a DVD burning software, try Alcohol 120%.
It is called Image Burning Wizard.

Alcohol 120% can also back up your DVD or CD content by creating a disc image.
This image file can be burned to optical discs or mounted as a virtual drive.
If the DVD disc has scratches, enabling Skip Reading Errors will keep the reading process going uninterrupted.

With this method, your DVD content can be accessed without having to load the disc.
The free version of Alcohol 120% allows up to two virtual drives.
It is much fewer than the paid version, but it should be enough for most users.
Copying a DVDs content to another DVD disc is also a part of Alcohol 120%s capability.
It can be done on the fly by using the Copy Wizard.
They are called Erase Wizard and Xtra Wizard.