I. Hola Armando Esteban, por mi parte no soy usuario habitual de VBA ni de Excel, pero como suelo comentar quisiera trasladarle la información que vi sobre su consulta por si pudiese serle de alguna utilidad mientras le atiende un experto o experta de primera mano. Le ruego me disculpe la imprecisión y molestias de lectura, ánimo.
https://answers.microsoft.com/en-us/msoffice/forum/all/switching-between-multple-excel-files-on-a-mac/d7de37e2-4c4d-47df-b41d-ea5fae0e6e8c
https://www.mrexcel.com/board/threads/switching-between-two-open-workbooks-with-vba.961008/
https://answers.microsoft.com/en-us/msoffice/forum/all/excel-for-mac-trouble-with-vba-macros/30832e9f-a745-410b-bb13-43a819e5c624
https://excelchamps.com/vba/visual-basic-editor/
https://forum.keyboardmaestro.com/t/macro-based-on-file-change/10021
https://www.youtube.com/watch?v=8GrzOkBSFb4
https://www.youtube.com/watch?v=z93T4Gp3tGA
https://www.theexcelexperts.com/excel-vba-for-mac/
https://community.spiceworks.com/topic/349757-file-path-in-mac-for-excel-vba-script
https://answers.microsoft.com/en-us/msoffice/forum/all/toggling-between-excel-workbooks-on-a-macbook/f4f5014f-de18-4111-80b2-416f2f6560b7
https://answers.microsoft.com/en-us/msoffice/forum/all/design-mode-button-for-excel-2019-for-mac-where-is/290b4137-e82c-44e3-9dba-143cc33e2277