the password you supplied is not correct excel
You may receive this error message if the password that you typed has a different capitalization from the actual password. For example, suppose that you created your password by using all lowercase letters, like this:
mycat
If CAPS LOCK is on when you type your password, Excel reads your password in uppercase, like this:
mycat
Conversely, suppose that you created your password by using all uppercase letters, like this:
MYCAT
If CAPS LOCK is on and you hold down SHIFT when you type your password, Excel reads your password in lowercase, like this:
mycat
Error class: the password you supplied is not correct excel
Error type: the password you supplied is not correct excel
Error message: the password you supplied is not correct excel