Additional macros can be added to the BIMrx export template by editing the macro enabled Excel export template file named “BIMrx Template.xlsm”. Macros you add to this template will be part of all future BIMrx generated exports.

This file can be found in the plugins installation folder under: C:\ProgramData\Autodesk\Revit\Addins\20XX\Microdesk.BIMrx

Where 20XX has one of the following values, depending on the Revit version BIMrx was installed for: 2018, 2019, 2020, 2021, etc.