This web page is full of "MS Office: Password recovery"-links. If you are interested in that category then you should read this page.
Lost Password Recovery
Complex lost password finder solution for Access, Windows, VBA, Excel, Word, Outlook Express
Password Recovery Tools
Office Password Recovery: Access, Excel, Word, Outlook, MS Project
Password Solutions
Password programs, utilities, and files - crack, solve, and recover passwords to open Word documents, Excel workbooks, and other protected files!
Password-Find.com
Word and Excel password recovery software and services.
PasswordUnlock.com
Recovery services for password protected Word and Excel files.
Rixler Software
Password recovery software for Outlook, Access, Outlook Express, Internet Explorer, Network and Dial-up connections.
Straxx
Free Excel Password Remover