To Promote a .bmr Macro to VBA

Open the Macros dialog ( Drawing > Utilities > Macros dialog launcher ).
Click Open the macros dialog.
In the Open dialog, navigate to the folder that contains the .bmr file and click Open.
The macro is listed in the Macros dialog.
In the Macros dialog, select the macro and click Promote macro to VBA.

The .mvba file is created and stored at the path pointed by the MS_MACRONEWFILEDIRECTORY configuration variable. The VBA macro also displays in the Macros dialog list box.

You may also refer to the LEARNserver lecture Promoting Macros to VBA.