The policy described in the "Symptoms" section of this article is intended to prevent any damages to Word users who rely on the security that their passwords provide. To recover a password-protected document, you must remember the assigned password.
Note Remember that passwords are case sensitive. If you used a combination of uppercase and lowercase letters when you set up your password, you must use the same combination when you use the password to access your document. Also, before you type your password, verify that the CAPS LOCK key is not active.