1)Log into the mydata portal 

2)Place Check next to the system you wish to modify the folder selection.

3)Click Folder Selection at the top of the page.

4)From the next page navigate and place a Check next to any Files/Folders you wish to back up. (Push the next drives/folders to expand and navigate through your system)

5)Click Save at the top of the page once done with your selection.

Note: This only works with active systems.