Double click to open messages from the search results
In inbox view, a double-click on a message opens it in a new window, but not from search results.
Double click should open the message like it did in previous versions of Outlook.
Takaaki Masumoto commented
When clicking "You replied to this message" instead of having to click once and then click again on the one menu option "Find related message", just allow a double click to open related message.