Did you open Outlook today and think, "Why does everything look different?" Maybe the message list looks squashed, the reading pane is in the wrong place, or the whole layout feels unfamiliar. Happily ...
To change the default browser in Outlook 365, go to File > Options > Advanced, then scroll to “Link Handling” and set “Open hyperlinks from Outlook in” to your preferred browser, like Chrome.
If Outlook opens in a browser instead of the app, execute the solutions given below. Change the default app in Windows settings Set Outlook as the default client for all extensions Change the default ...