G'day "Ulf Nilsson" <anonymous@discussions.microsoft.com>,

The VBA Developer's Handbook by Ken Getz et al has loads of stuff on
this.

Steve Hudson - Word Heretic

steve from wordheretic.com (Email replies require payment)
Without prejudice

Ulf Nilsson reckoned:

Hi Ulf,

There is nothing in the built-in commands in VBA that will do this. The
System.PrivateProfileString property won't delete keys, and the SaveSetting,
DeleteSetting command sonly work on a small area of the registry

You can use Karl Peterson's RegSettings code available from
http://vb.mvps.org/samples/project.asp?id=RegSettings

This module provides an equivalent of DeleteSetting etc but which can be
applied to any key amd not just the ones within the area that the built-in
commands can access.

It was written in VB rather than VBA, but don't worry, you can drop the
CRegSettings.cls class module straight into your Word VBA project and it
will work.