Block opening of Html file types

This policy setting controls whether users can open HTML files in the specified applications.

If you enable this policy setting, users in either of the specified applications will not be able to open HTML files.

If you disable or do not configure this policy setting, PowerPoint 2007 and Word 2007 allow users to open HTML files, which usually have the following extensions:

- .htm

- .html

- .mht

- .mhtml

Supported on: At least Windows Vista

Registry PathSoftware\Policies\Microsoft\Office\12.0\PowerPoint\Security\FileOpenBlock
Value NameHtmlFiles
Enabled Value1
Disabled Value0


Administrative Templates (Computers)

Administrative Templates (Users)