I do not know what they were thinking. One thing is for sure, the new EN sucks a lot. For once, after 2 weeks of getting sick at this garbage update I decided to cancel my premium. These people will NOT have my money or support anymore! It's the most I can do. Why support a company that has it's head so far up their..
I was having same issue. EN add in would not work at all. Tried reinstall etc. Then I tried this and it's working now: Went to option in outlook365 under add=ins, Manage COM add-ins, drop down list, selected disabled items and found the EN add in there, some issue loading outlook so it was place there. Got it out and now, working purrrfectly