Ultra Excel 97 Password Cracker - This program may help you torecover password
This program may help you to recover passwords for MSExcel 97 documents. Program supports three types of attack: brute-force (you can define minimum and maximum password length and characters used in password), dictionary based (you can define how to modify words from dictionary file) and mix of brute-force and dictionary based called template attack (if you're know something about password you can really recover it).
This is the Shareware version. The full version can be purchased by clicking on the "Buy Now" button below for around $ USD.