Outlook and Teams can override the default browser to open links in Edge. To change this:
In Outlook:
Click File > Options > Advanced
Under ‘Link Handling’ change “Open hyperlinks from Outlook in” to ‘Default Browser as highlighted below:
In Teams:
Click the three dots in the top right hand corner > Settings
Click Files and links on the left menu > change “Always open links in:” to Default browser as highlighted below: