This means that if you ever lose the password you used to encrypt the document, you may be unable to access the document and thereby lose all the content on it without the possibility of being able to recover the content. While Word does offer you amazing ways to protect your Word document and restrict editing, it can be very hard to recover the password if you lose it, especially if you are using older versions of Word. How Unlock Word Document If Password is Lost
There is also no way to recover the password, so be sure to set a password that is easy to remember and keep a copy of it somewhere safe so you can access it when you need it. Keep in mind that passwords you use are case sensitive and cannot be longer than 15 characters long.