Document.PasswordEncryptionAlgorithm (Word)

Returns a String indicating the algorithm Microsoft Word uses for encrypting documents with passwords.

Use the SetPasswordEncryptionOptions method to specify the algorithm Word uses for encrypting documents with passwords.

Sub PasswordSettings() 
 With ActiveDocument 
 If .PasswordEncryptionAlgorithm = "OfficeXor" Then 
 .SetPasswordEncryptionOptions _ 
 PasswordEncryptionProvider:="Microsoft RSA SChannel Cryptographic Provider", _ 
 PasswordEncryptionAlgorithm:="RC4", _ 
 PasswordEncryptionKeyLength:=56, _ 
 PasswordEncryptionFileProperties:=True 
 End If 
 End With 
End Sub