1. Click on Search & Add on the menu bar at the top of the page
2. Search for the Company/Organization, then search for your contact
3. Once you've gotten the message, No Exact Matches Found
4. Click on Add New Contact
5. You'll see a drop down menu for Copy Address From. You can then choose from previous contacts added to that organization
6. Select the contact whose address you wish to auto-populate the fields
7. Fill in the remaining information and click on Save Contact