Office 2016 for Mac support is ending soon. Upgrade to Microsoft 365 to work anywhere from any device and continue to receive support. You can make Outlook open automatically when you click a link to send e-mail (sometimes called a 'mailto' link) in a document or on a Web page. Similarly, you can make events and contacts open in. Dec 21, 2018 Particularly when clicking a “Mailto:” link in your browser, PDF or Word document, or other apps – including Outlook. Here is how you can change that behavior and set the default email app.
Change your default web browser
- Choose System Preferences from the Apple () menu.
- Click General.
- Choose your web browser from the 'Default web browser' pop-up menu.
Change your default email app
- Open Mail.
- Choose Preferences from the Mail menu, then click General. Or, if you're prompted to set up an email account, add your account, then choose Preferences from the Mail menu.*
- Choose your email app from the 'Default email reader' pop-up menu.
* You can also set your default email app in the preferences of your third-party email app.
Change your default web browser
- Choose System Preferences from the Apple () menu.
- Click General.
- Choose your web browser from the ”Default web browser” pop-up menu.
Change your default email app
Mailto Link Format
- Open Mail.
- Choose Preferences from the Mail menu, then click General. Or, if you're prompted to set up an email account, add your account, then choose Preferences from the Mail menu.*
- Choose your email app from the ”Default email reader” pop-up menu.
Change Mailto Link To Outlook
* You can also set your default email app in the preferences of your third-party email app.