I am also a Free Macrium fan. Once you are backing up, why not backup the whole system. It's super easy and fast. Here are the instructions
(setting up, scheduling and all). And the file part is recognizable.
But if you want to backup only your own data, I suggest you put it into a seperate data partition. That's a good and prudent idea in any case because then your data does not sink when the OS sinks. A data partition you can also backup with free Macrium. Here are my instructions
(video) how to setup a seperate data partition.