Outlook - Open Links in Default Browser
This article provides instructions on how to configure Microsoft Outlook to open links in the default browser.
Instructions
Computer Settings
Open Start > Settings > Apps > Default apps.
Select your preferred browser.
Choose Set default.
Outlook Settings
Open Outlook.
Select File > Options > Advanced.
Go to File and browser preferences.
Next to Open hyperlinks from Outlook in, choose Default Browser.
Click OK.