This article explains how to make Outlook for Microsoft 365, Outlook 2019, 2016, 2013, and 2010 your default email program on Windows 10, 8, or 7.
Make Outlook the default email program | How do I set Outlook as the default email client?
It’s easy to change your default email client at any time. You can find the settings in Windows. But before you start, check which version of Windows you have. Changing the default email settings is different in different versions of Windows.
Use Windows Settings in the Start menu to change the default email client in Windows 10 to Outlook.
Go to the Windows taskbar and select Start.
