At this time, Clickfree is an excellent tool to back photos, videos, and contacts from your Android, Apple iPhones and iPads, PCs and Macs.
It does not currently backup documents. However, we have submitted this to the development team for consideration into future revisions
If you wish to use Clickfree to backup documents from your computer, you can easily do this by using File Explorer on a PC/Windows, or Files on a MAC to copy the document file(s) from your computer to your Clickfree .
You can also, save a screen shot of a document and back it up to Clickfree.
OR
Use the Scan Photos feature, which will recognize the edges of a document and take a photo of it.