Recent DiscussionsMost RecentNewest TopicsMost LikesSolutionsTagged:TagRe: outlook opening in web browser formatFrom what I saw, after opening Outlook click on the 3 dots at the top of the screen and choose Uninstall. Then make sure you have all other editions of outlook removed in control panel other than your primary outlook 365. (I use business edition so I remove all prior versions when setting up new computers.) type outlook in the search bar afterwards and run. Worked for me afterwards.
