Excel Compare

Track differences and compare Microsoft Excel files and spreadsheets
MSG Viewer Pro

msgviewer pro opens and searches outlook .msg .eml email files. free to try.

Hide folders containing your private information with just a click! Try it now!
ExtraBackup

save essential files in a reserve location: hdd, flash disk, lan or ftp.
DirCmp

compare two directories and subdirectories
KO Approach

Click on a folder icon in Explorer and navigate a menu to locate files quicker
FileInMail

automatically monitor one or more folders for specified files to send via email
PDF Snipping Tool

a text and graphic snipping tool that allows taking snips of any pdf file.

overwrites files in the recycle bin so the data cannot be recovered.

a steganography program to hide a data file in a png image file.
Magic Uneraser

restore lost and deleted information from a variety of storage media