Set Outlook as the default mail app in macOS
If you use outlook to manage your email on your mac then you can set outlook as the default mail app. This can be useful if you want to add calendar invites directly to your outlook calendar via ics invite files or if you use the send via email option via right click menus in macOS. To change the default setting:
1. Open the apple mail app on your mac
2. Select Preferences for mail in the menu bar
3. Select the option to choose the default mail reader and select Outlook, once done Outlook will be the default mail app on your mac.