Returns the protection type for the specified document. Can be one of the following WdProtectionType constants: wdAllowOnlyComments, wdAllowOnlyFormFields, wdAllowOnlyReading, wdAllowOnlyRevisions, or wdNoProtection.
Example
If the active document isn't already protected, this example protects the document for comments.
If ActiveDocument.ProtectionType = wdNoProtection Then
ActiveDocument.Protect Type:=wdAllowOnlyComments
End If
This example unprotects the active document if it's protected.
Set Doc = ActiveDocument
If Doc.ProtectionType <> wdNoProtection Then Doc.Unprotect