Using Classic Outlook on Windows for personal email, calendar, and contact management
This problem is now occurring in the classic version of outlook, even with the "Try the new Outlook" button set to "Off". Curiously, I do not experience the issue in Chrome while typing this reply.
Please return the right click spell check function to all versions of Outlook. Trying to force people to un-learn decades of muscle memory with longer and less efficient ways of typing is moving backwards, not forwards.