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How to Unlock a Word Document With a Password If you want to learn how to unlock a Word document with or without a password, follow the steps below. Purchase these excellent books on cryptology at you lock a document, how do you unlock it again? And if you forget the password, is there anything you can do? Elcomsoft Advanced Office XP Password RecoveryĪdditional Reading on Microsoft Word Password Recovery.Several programs with widely varying capabilities are available to help users recover a lost Microsoft Word password: The Password to open can be attacked with a dictionary attack or a brute force attack. It is also possible to edit the hash of the Protect document password. It is possible simply to edit the Password to modify with a hex editor. To apply a Protect document password to a Microsoft Word document, click Microsoft Word Password Recovery The default is “Office 97/2000 Compatible.” However, even Microsoft states that this is not recommended! RC4, Microsoft Strong Cryptographic Provider.RC4, Microsoft RSA SChannel Cryptographic Provider.RC4, Microsoft Enhanced RSA and AES Cryptographic Provider (Prototype).RC4, Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider.RC4, Microsoft Enhanced Cryptographic Provider v1.0.RC4, Microsoft DH SChannel Cryptographic Provider.RC4, Microsoft Base DSS and Diffie-Hellman Cryptographic Provider.RC4, Microsoft Base Cryptographic Provider v1.0.Users can select which encryption algorithm they wish to use and what key length they wish to use with that algorithm.Įncryption algorithms that Microsoft Word supports are: To apply a Password to open or a Password to modify to a Microsoft Word document, click. The password hash can be viewed or changed with a hex editor. When a user sets a Protect document password, the 32-bit password hash is stored in the Microsoft Word document. The Protect document password requires the user to enter a password to un-protect the document. The password can be viewed or changed with a hex editor. When a user sets a Password to modify, the password is stored inside the Microsoft Word document. The Password to modify requires a user to enter a password to make changes to the document. When the user sets a Password to open, the entire Microsoft Word document is encrypted with the RC4 stream cipher. The Password to open requires a user to enter a password to view the document. Microsoft Word documents can utilize three passwords: