expression.ChangePassword(Password)
expression Required. An expression that returns one of the objects in the Applies To list.
Password Required String. The new password.
Example
In this example, Microsoft Excel allows edits to range "A1:A4" on the active worksheet, notifies the user, changes the password for this specified range, and notifies the user of the change. The worksheet must be unprotected before running this code.
Sub UseChangePassword()
Dim wksOne As Worksheet
Dim strPassword As String
Set wksOne = Application.ActiveSheet
' Establish a range that can allow edits
' on the protected worksheet.
strPassword = InputBox("Please enter the password for the range")
wksOne.Protection.AllowEditRanges.Add _
Title:="Classified", _
Range:=Range("A1:A4"), _
Password:=strPassword
strPassword = InputBox("Please enter the new password for the range")
' Change the password.
wksOne.Protection.AllowEditRanges("Classified").ChangePassword _
Password:="strPassword"
MsgBox "The password for these cells has been changed."
End Sub