破密碼的freeware

1) Password Remover
http://www.pcworld.com/downloads/file_download/fid,22990-order,1-page,1-c,spreadsheet/download.html

Crack your forgotten Excel passwords.

You password your Excel spreadsheets to keep others out, but sometimes they keep you out, too. This Excel add-in lets you crack your own forgotten password and regain access to your Excel data. This tiny program places "Unprotect workbook" and "Unprotect sheet" into your Excel menu.

2) Ms Word Excel Cracker 2.0
http://www.freedownloadmanager.org/downloads/Ms_Word_Excel_Cracker_47570_p/free.htm

Ms Word Excel Cracker is a handy tool, designed to recover lost or forgotten passwords for password protected *.xls,*.doc files created using Microsoft Office 97 2000 XP 2003 application or any other excel or word-compatible software.