How do I set Outlook as my default email application?

Windows 11

1. Click on Start, or directly into the search box on your task bar
2. Type in "Default apps"
3. Select Default apps 
4. Scroll down to find Outlook or use the Search apps box and type Outlook
   NOTE:  be sure to use Outlook (Classic) if you have two versions. 
5. Set Outlook (Classic) as the default app for all the email file types available

Windows 10

1. Click on Start

2. In the search box, type in "Default apps" without the quotes

3. Click Default apps
   

4. Under Email, click the current application (e.g. Mail)
   

5. Select Outlook
   

6. Close the settings window

macOS

1. Run the Mail application
2. On the Mail menu, click Preferences
3. Click the General tab
4. For "Default email reader", select Microsoft Outlook