Block opening of Xml file types

This policy setting controls whether users can open Extensible Markup Langual (XML) files in Excel 2007. XML files usually have the .xml extension.

If you enable this policy setting, users cannot open XML files in Excel 2007.

If you disable or do not configure this policy setting, users can open XML files.

Supported on: At least Windows Vista
Registry HiveHKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Office\12.0\Excel\Security\FileOpenBlock
Value NameXmlFiles
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

excel12.admx

Administrative Templates (Computers)

Administrative Templates (Users)