This is could be easiest and safest way to backup a folder contents by creating an ISO image which you can burn on cd , DVD. This way by converting a folder and its images to a single ISO file makes data more safe and prevent from getting any virus or will also not get corrupted as it is inside a container ISO file.
Folder2iso is a free to use utility which can be used to convert folders (and it’s subfolders and files) into ISO’s. We have written about a similar utility which allows you to do the same, its called ISOCreator
This application takes 1.7 MB of disk space, and is portable in nature so there is no need to install it, you can run it from any where. It is compatible to run on all the version of windows including windows 7, we have just tested it on windows 7 32 bit.