WinXAR is a security utility which allows you to encrypt, decrypt, rename automatically and shred folders and files for Windows 98/ME/NT/2000/XP/2003. You will not worry about your sensitive or private documents any more, especially when they are emailed or on a removable media like USB stick.
Version 2.0 added encrypted virtual disk and includes some bug fix.
||Free to try
Windows NT 4