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On your keyboard, hold down the Windows key (located near the spacebar, with the Microsoft logo) and press the R key.
In the Run dialog box that appears, type
controland press Enter.In the Control Panel, locate the View by: option in the upper-right corner. Select Small icons or Large icons from the dropdown menu.
Click on Default Programs.
Select Set default for a file type or link type.
In the search bar, type Mailto (without the quotes)
mailto.
You will see which the application is currently set as the default for "mailto:" links (for examplee.g., Microsoft Outlook).
To change the default, click on the current program listed next to MAILTO, then select your preferred application from the options. Click Set default to confirm your choice.
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