• Go to the Windows taskbar and select Start.
  • Select Settings (the gear icon).
  • In the Windows Settings dialog box, go to the Find a setting text box and enter Default.


 

  • Select Default app settings.
  • Looking for default app settings in Windows 10.
  • Select Mail to display a list of email apps that are installed on your computer.
  • Select Outlook.


  • Selecting a default email client in Windows 10.
  • Close the Settings dialog box.