Glary Utilities Free Windows Optimization Software
will fall in love with this tool!
File Shredder allows you to permanently delete files so no one can recover them.
File Undelete allows you to recover accidentally deleted files.
File Encrypter and Decrypter, will help you protect your files from unauthorized access by encrypting them.
The Files and folders module contains very useful advanced tools:
Disk Analysis Tool analyzes how your disk space has been used.
It shows you the space usage of your files and folders so that you can know which programs use your space.
Duplicate Files Finder looks for wasted space and defective duplicates.