1,258 votes77 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.Jeremy Brewer commented
Having the report message add in work in group boxes and shared mailboxes is important, not just in the individual mailboxes. Hoping you can enhance the tool to include this functionality.