Office products have limited levels of protection, so you can add a module then "purchase" download a password *******, load it into that module and run the code. It will give you a password that will open it, but it will not be the actual password, just another one that works!
There are companies that advertize on the web and who sell such services. For people who lost their passwords for a company product that they own. Where the employee who locked the product, left or got fired.