It is not achieved.

If it was, there would be no need for macro security.

Why not place that workbook into Trusted Locations(if running 2007 or later)

If the workbook is to be opened by a user on another computer you will have to
sign the workbook as a Trusted Publisher.

2003 or earlier versions would require that you digitally sign the workbook to
make it trusted.


Gord Dibben MS Excel MVP

On Tue, 9 Nov 2010 13:56:31 -0800 (PST), andreashermle
wrote:

Dear Experts:

On opening a certain workbook, I would like to get the macro security
level set to 'low level' (enable all macros) automatically (by VBA),
regardless of the fact that it may have been set to this low level
before.

How is this achieved?

Help is much appreciated. Thank you very much in advance.

Regards, Andreas