1,332 votes81 comments · Feature Requests and Feedback » Add-in: Outlook · Flag idea as inappropriate… · Admin →
Thanks for your feedback, the feature is currently in preview. Documentation can be viewed here: https://docs.microsoft.com/en-us/office/dev/add-ins/reference/manifest/supportssharedfolders
We are actively working on making it generally available and will update the status as soon as it is done.Gaurav Rihan commented
Very important and useful ask! This would immensely help in extending access to delegates.