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 ...

Browser Picker makes switching between multiple default web browsers so easy, you have to try it to believe it.