from the doc: 'Office Password Recovery Key Light is a two-in-one product that recovers all types of passwords for MS Excel and MS Word files. The best thing that could possibly happen to you if a password is forgotten is lost time. It common to recreate a spreadsheet template or a word form just because of a lost write-reservation password. Whatever type of password is lost Office Key Light can save your data. This product supports all versions of MS Office including the most recent MS Office 2003. Most of the passwords are recovered instantly. Brute-Force, Xieve or Dictionary attacks are used to recover other types of passwords. Office Key Light is easy to use - drag and drop the file to the program window to recover the password. The program has online help, full install/uninstall support'