Using New Outlook on Windows for personal email, calendar, and contact management
I am using Classic Outlook and I don't have the functionality anymore either. I worked with a Microsoft tech over the phone months ago and when he made some changes to my Outlook (reinstalling it), I didn't have it. I don't have the bandwidth to figure this out because I tried all the suggestions.
Now I just set up separate files with emails I need to follow up and then enter a task. Yes, it's double work but it's my workaround.