Change Windows 10 default mail app to Outlook
To change the default Windows 10 mail app to Outlook, follow these steps:
- In your Windows search box, type Control Panel, and then press the Enter key (or click the search result).
- On the All Control Panel Items window, click Default Programs.
- On the Default Programs screen, click the Associate a file type or protocol with a program link.
- On the Settings screen, on the right‑hand pane, under Email, click the default Mail app.
- On the Choose an app window, click Outlook.
- Ensure that Outlook displays as the default email app, and then close all settings windows.