Make Gmail your default email program

Make Gmail the default email program when you click email links in Chrome Browser

1. Open Chrome Browser and click More Settings.
2. Go to the Privacy and security section.
3. Next to Site Settings, click the Right arrow 
4. Scroll down to Additional permissions and click Expand .
5. Next to Handlers, click the Right arrow .
6. At the top, make sure Allow sites to ask to become default handlers for protocols (recommended) is turned on.

   Note: Scroll down to the Blocked section and make sure that mail.google.com doesn't appear in this list.

7. In your Chrome Browser's address bar, enter mail.google.com.
8. Click Service handler .
9. Click AllowDone.