1. Install Contacts+ for Gmail chrome extension and signup for contactplus.com

Select the provider.

Install Contacts+ for Gmail chrome extension and signup for contactplus.com

2. To give you an idea of their access request

To give you an idea of their access request

3. Click on any email address and you'll notice this on the right.

Click on any email address and you'll notice this on the right.

4. Click on Add to contacts

Click on Add to contacts

5. Contacts will be added to address book with more data points

Contacts will be added to address book with more data points