... to be scanned: txt, csv, log, xml, htm, html, rtf. If you feel there is a need to add any more formats which you encounter, it is very simple to do so from the source. Also, you can raise a ticket for the same. If I feel there is an increasing demand for some file formats to be added to the executable, I'll sure compile it in the exe and release it.
Enjoy using Cardito and drop your reviews good or bad. :)