When you delete a file, Windows removes the reference to that file, but doesn't delete the actual data that made up the file on your hard drive. Windows treats the space left behind as free space. Later, this free space will be overwritten as Windows writes new files into that space. For privacy and security reasons, you need to wipe/clean the free space of your hard disk so that deleted files can never be recovered. Using "File eraser" utility on Remo MORE, you could permanently delete the sensitive data from the folder/file by overwriting it several times with carefully selected pattern.
SD Card Wiper utility in Remo MORE helps you to permanently wipe all the data from your SD card securely i.e. beyond recovery. This utility of Remo MORE would be available in the next update of the software.