How to unprotect an excel sheet if you forgot or don't have password.

Question

Example if someone have protected your Excel sheet and he/she doesn't want to tell you the password so how you will unprotect it.

Answer 1

I'll Use **** *****
Wait....Was it for real??

Answer 2

there are some malwares around advertised as tools for password recovery and they actually do that also...

Answer 3

yes I can without hacking @ Very Hard(java & c++ & c# & py &(All is hard))