There is a long, long road ahead for that to happen. Excel has to not only radically change itself, but so does Power BI. The 3rd party ecosystem has slowly cha

There is a long, long road ahead for that to happen. Excel has to not only radically change itself, but so does Power BI. The 3rd party ecosystem has slowly changed from COM add-ins to the JS-based Add-ins, but even then there are many 3rd parties that continue to go the COM route, hence the very long deprecation road for 'legacy' Outlook in the enterprise.