We're currently working on adding an Address Book to the CRM, which will enable the following task:

Here is a preview of the Address Book tab in place on the CRM User edit view
Here is a preview of the Address Book tab in place on the CRM User edit view


Addresses will be available on Forms, and they'll be able to either create new Addresses or update existing.

Address output will also be possible on Checkout views, so re-visiting Users can pick an Address they've entered before for Shipping/Billing.

Once this Address Book is complete we'll be working on adding Companies to the CRM, which will also be able to use this new tab.