If you want to keep your Gmail current, you need to know how to add contacts to Gmail. That’s managed via the Google Contacts app, and we’ll show you exactly what to do.

How to Forward a Mail to All Contacts in Gmail. If you receive an email that might interest most of your employees and clients, you can forward it to everyone in your Gmail address book with just ...

Click the "Add-ins" tab in the main Outlook interface. Click "Outlook4Gmail" and select "Update Contacts" to synchronize your Gmail address book with Outlook.

Mac OS X only: Freeware program Address Book to CSV Exporter streamlines the process of importing all of your Address Book contacts directly into Gmail.