Click the File option on the top left corner and click Info > Protect Document, there are few items in the basket, select Encrypt with Password. Firstly, open your locked Microsoft word file, it will pup a window asking you to type the correct password you set before. If you still know the original password to your doc document then it’s easy to unlock an encrypted word file. In fact, the process for decrypting a word is the same as creating a password. Method #1: Unlock Word File Password with Knowing Password Method #4: Unlock A Locked Word Document with VBA Code.Method #3: Unlock Word Document Online Free.Method #2: Unlock Password Protected Word Document with Passcue.Method #1: Unlock Word File Password with Knowing Password.