Important note -
In order to be
able to run the Relative Expression Software Tool correctly
Microsoft Excel versions and to maintain the macro-virus
documents as well active, it is recommended to activate
the 'Trust all
installed add-ins and templates' checkbox under
Tools => Macro => Security => Trusted Sources
Tools => Macro => Security => Security Level
and to set the 'Security
Level' to 'Medium'
as shown in the
following two screen shot pictures.