편집

다음을 통해 공유


Workbook.PasswordEncryptionKeyLength property (Excel)

Returns a Long indicating the key length of the algorithm that Microsoft Excel uses when encrypting passwords for the specified workbook. Read-only.

Syntax

expression.PasswordEncryptionKeyLength

expression A variable that represents a Workbook object.

Remarks

Use the SetPasswordEncryptionOptions method to specify whether Excel encrypts file properties for the specified password-protected workbook.

Example

This example sets the password encryption options for the specified workbook, if the password encryption key length is less than 56.

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

Support and feedback

Have questions or feedback about Office VBA or this documentation? Please see Office VBA support and feedback for guidance about the ways you can receive support and provide feedback.