How to modify default mail client in Windows 10

Office 365 2013
Windows 10 setups new Mail app as the default e-mail client. It can be annoying to click an e-mail (MAILTO) link on the webpage and to bounce into the new UI. Here is how to change the default e-mail client to a different desktop e-mail program like Outlook.

   1.   Open the Control Panel (see How to open Control Panel in Windows 10).

   2.   In the Control Panel dialog box, in the Search Control Panel textbox, enter Default and choose Default Programs:

Default program Windows 10

   3.   On the next screen, click Associate a File Type or Protocol with a program link:

Associate a File Type Windows 10

   4.   On the Settings screen, on the right side, click the application under Email group (Mail in this example):

Default apps Email - Mail - Windows 10

   5.   Choose the client you prefer:

Choose an app Windows 10

   6.   Be sure that selected application is shown instead of the previous one under Email group:

Default apps Email - Outlook - Windows 10

   7.   Close windows.

See also this tip in French: Comment modifier le client de messagerie par défaut dans Windows 10.

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