Don't worry about having to manage your address book and contacts.
All you have to do is:
1.sign up and log in on YepDesk and create your personal account on YepDesk.
2. After you have successfully created your personal account on YepDesk, go to the My Profile tab and then go to the Address book tab.
3. You can add contacts by Importing Google Contacts(1) OR Upload Contacts File(2).
You can also Add New Contact(3) and form different groups in the Manage Contact Groups tab.