Presentation.PasswordEncryptionKeyLength Property (PowerPoint)

Office 2013 and later

Contribute to this content

Use GitHub to suggest and submit changes. See our guidelines for contributing to VBA documentation.

Returns the key length of the algorithm Microsoft PowerPoint uses when it encrypts documents with passwords. Read-only.

expression .PasswordEncryptionKeyLength

expression A variable that represents a Presentation object.

Return Value


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

This example sets the password encryption options if the password encryption key length is less than 40.

Sub PasswordSettings() 
    With ActivePresentation 
        If .PasswordEncryptionKeyLength < 40 Then 

PasswordEncryptionProvider:="Microsoft RSA SChannel Cryptographic Provider", _ 
                PasswordEncryptionAlgorithm:="RC4", _ 
                PasswordEncryptionKeyLength:=56, _ 
        End If 
    End With 
End Sub