382 votes23 comments · Feature Requests and Feedback » Add-in: Outlook · Flag idea as inappropriate… · Admin →
Thanks for your feedback! This is something we’re currently investigating. We’ll keep you posted.
Office Extensibility TeamBrian Cerasuolo commented
This is the main thing missing that's keeping us on VSTO. It's disappointing because we want to use the new and shiny that is Office.js :(