Find the long file names on your drives
Find and fix erroneous file names on your drive
These two tools do what their names say and I've already found them indispensable to help me locate file and folder names that were either too long or that contained characters that would cause my backup software to choke.
These tools have now earned a place in my productivity tool box
Both of these tools are from Proud Programmer, Rovert Ibsen Voith and can be downloaded for free from Voith's Code.