Excel Password Removal / Hack Protected XLS File

I recently had a client pass away. He kept a 2003 Excel document with a list of passwords on it. The problem is the document is password protected and his company needs these passwords.  I've attempted a brute-force attack and it failed. Is there a way to simply extract the data or remove the password with something like a hex editor?
qualityipAsked:
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armchair_scouseConnect With a Mentor Commented:
There are commercial products available to do this for you.  If you type 'Excel passsword remover' into Google, you'll get a number of links, both reputable and otherwise.
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EirmanChief Operations ManagerCommented:
The protection of excel 2003 files is not strong
Try this ....
http://www.passwordlastic.com/excel-password-recovery-lastic

This one looks good as you can preview the file before you have to pay
http://www.lostpassword.com/online-mode.htm

This is free and looks good
http://betanews.com/2012/07/02/free-word-and-excel-password-recovery-wizard-2-09-lives-up-to-its-name-sometimes/
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cpkuser1Commented:
lostpassword.com is worth every penny... never failed me.
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qualityipAuthor Commented:
We ended up using a commercial website to reset the password. Thank you.
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